10 Best Thermal Travel Coffee Mug Cup of 2026: Top Picks

The WETOWETO 20oz Tumbler is a versatile insulated travel mug designed for coffee lovers, tea drinkers, and anyone who enjoys hot or cold beverages on the go. Built with double-wall vacuum insulation, this stainless steel mug promises to keep your coffee hot for over six hours or your iced tea cold for more than twelve. For office workers, commuters, or dorm students, that means your morning brew stays satisfyingly warm until lunch, and your afternoon iced latte remains refreshing well into the evening.

The tumbler is crafted from food-grade 304 stainless steel with a BPA-free plastic lid, so you don't have to worry about unwanted flavors or harmful chemicals leaching into your drink. The interior is electropolished for a smooth surface that resists staining and doesn't retain coffee oils or tea tannins. The exterior features a powder-coated finish that not only looks great in Navy Blue but also prevents condensation from forming on the outside, keeping your hands dry and your grip secure.

In terms of daily practicality, the 20oz capacity hits a sweet spot: large enough for a generous serving of coffee or tea, yet slim enough to fit in most car cup holders. Whether you're driving to work, walking across campus, or relaxing on the patio, the tumbler is easy to carry and comfortable to hold. The lid snaps on firmly and has a sliding opening for sipping, though it's not completely spill-proof if knocked over, so it's best kept upright in a bag.

Cleaning is straightforward – both the mug and lid are dishwasher safe, making it simple to maintain freshness. The stainless steel construction is durable and should withstand daily drops and bumps, though the powder coating might show minor chipping over time. Still, the core insulation performance remains unaffected.

Overall, the WETOWETO 20oz Tumbler is a reliable, budget-friendly choice for anyone seeking a well-insulated travel mug. It suits coffee drinkers who need a dependable hot-holding companion, tea enthusiasts who want to keep their brew at the perfect temperature, and office or dorm users looking for a low-maintenance, cup-holder-friendly option. While it may not be fully leak-proof, its performance and ease of cleaning make it a solid addition to your daily beverage routine.

The Contigo Byron travel mug is a straightforward, no-fuss insulated mug designed for people who need their coffee or tea to stay at the right temperature during a busy day. With a 16-ounce capacity and vacuum-insulated stainless steel construction, it promises hot drinks for up to 6 hours and cold drinks for up to 12 hours. This makes it a solid companion for commuters, office workers, students in dorms, or anyone who wants to enjoy a hot beverage hours after pouring.

For coffee lovers and tea drinkers, the main appeal here is temperature control. The double-wall insulation works well to keep your morning brew hot through a long commute or a slow afternoon. Many users appreciate that the mug fits under most single-serve brewers, so you can brew directly into it without having to transfer from a carafe. The leak-proof SnapSeal lid is another highlight – it opens with one hand for sipping and snaps shut securely, which helps avoid spills in a car or bag. This is especially handy for busy mornings when you're juggling keys, a phone, and a hot drink.

Build quality is respectable for the price point. The stainless steel body feels sturdy, and the textured grip adds a layer of security when holding the mug. The BPA-free materials are a plus for health-conscious users. Cleaning is straightforward: the lid is top-rack dishwasher safe, though the manufacturer recommends hand-washing the body to maintain its insulating performance. This is a minor inconvenience but typical for insulated mugs.

In terms of practicality, the 16-ounce size hits a sweet spot for many – it's not too large to be cumbersome in a cup holder, yet it holds a generous amount of coffee or tea. The mug's slim profile also makes it easy to store on a countertop or in a desk drawer. However, if you're someone who needs a larger volume for long workdays or road trips, you might find yourself refilling more often than you'd like.

One realistic limitation is that the lid's seal, while effective, can be a bit stiff at first and may require some effort to open fully. Also, the mug is not fully dishwasher safe – only the lid is. This means you'll need to hand-wash the body, which could be a dealbreaker for those who prefer a completely dishwasher-safe setup. Additionally, the color options are limited, so if you're looking for a more personalized look, you may be disappointed.

Overall, the Contigo Byron travel mug is a reliable, affordable choice for anyone seeking a leak-proof, insulated mug for daily use. It works well for coffee, tea, or cold water, and its design fits seamlessly into office, dorm, or commuting routines. If you value temperature retention and spill-proof convenience over maximum capacity or dishwasher convenience, this mug is worth considering for your morning or afternoon beverage.

The Contigo AUTOSEAL West Loop Travel Mug is a vacuum-insulated stainless steel mug designed for coffee lovers, tea drinkers, and anyone who needs a reliable, leak-proof travel companion. With a 20 oz capacity, it hits a sweet spot for daily commutes, office refills, or dorm room use. The standout feature is the AUTOSEAL lid, which automatically locks between sips to prevent spills and leaks – a huge plus for those who toss their mug into a bag or backpack.

Temperature control is where this mug really shines. Thanks to THERMALOCK vacuum insulation, your coffee stays hot for up to 13 hours, while iced tea or cold brew remains refreshingly cold for up to 28 hours. This makes it ideal for long workdays, road trips, or afternoon tea sessions where you want consistent flavor without reheating or watering down. The lid also includes an inner hook for tea bags, letting you steep loose-leaf or bagged tea directly without the mess of dangling strings.

Build quality is solid with a stainless steel body that feels durable and a BPA-free lid. The mug fits most car cup holders and sits under many single-serve brewers, so you can brew directly into it. One-handed operation is smooth – just press the button to drink and release to lock. This is especially handy during rushed mornings or while driving. The easy-clean lid is top-rack dishwasher safe, though the body is hand wash only, which is typical for insulated mugs.

In daily use, the Contigo West Loop is practical for office workers who want to keep their coffee hot through meetings, tea drinkers who enjoy a long steep without mess, and busy parents who need a spill-proof mug on the go. The 20 oz size is enough for a generous coffee or a large tea, but if you need more, you might prefer a larger option. Cleaning is straightforward, though the AUTOSEAL mechanism may need occasional attention to avoid residue buildup.

Overall, this travel mug offers excellent temperature retention, leak-proof confidence, and a user-friendly design that fits seamlessly into a coffee or tea lover's routine. It's a great gift for commuters, office colleagues, or anyone looking to upgrade their daily beverage setup. For the price and performance, it's a reliable choice that delivers on its promises without fuss.

The ALOUFEA 20 oz Insulated Coffee Mug Tumbler with Handle is a stainless steel travel cup designed to keep your favorite hot or cold beverages at the perfect temperature while you're on the go. Whether you're a coffee lover who needs a reliable mug for the morning commute, a tea drinker who enjoys sipping iced tea throughout the day, or an office worker looking for a spill-proof cup for your desk, this tumbler offers a practical and stylish solution.

This tumbler is best suited for busy individuals who value convenience and temperature consistency. Its double-wall vacuum insulation is the standout feature - it slows down heat transfer so your hot coffee stays warm for hours and your iced drinks remain cold without causing condensation on the outside. For anyone with a rushed morning routine, that means you can pour your brew and not worry about it cooling down before you finish it. The 20-ounce capacity is a good middle ground: enough for a generous serving of coffee or tea without being too bulky to carry.

Build quality is where this mug shines. The body is made from food-grade 304 stainless steel, which is durable, rust-resistant, and easy to clean. Unlike glass or cheap plastic cups, this one can handle drops and daily wear without cracking or breaking. The handle is a thoughtful addition - its open-ended design is comfortable for all hand sizes and makes it easy to hold even when your hands are full. Plus, the tapered bottom fits snugly into most car cup holders, so you can bring your drink along on road trips or errands without worrying about spills.

Ease of use is another highlight. The 2-in-1 lid comes with a built-in sip opening and a separate straw slot, letting you choose how you drink. The lid seals securely to help prevent leaks, though it's worth noting that if the mug tips over completely, some liquid might escape. The included straw is a nice bonus, especially for iced coffee or tea. Cleaning is straightforward: hand washing is recommended to maintain the insulation and lid integrity, but the stainless steel interior rinses clean easily.

A realistic limitation is that the 20-ounce size might not satisfy those who want a larger tumbler for all-day hydration. Also, since this product currently has no reviews, there's limited real-world feedback on long-term performance. However, based on the materials and design specs, it appears to be a well-constructed option for daily use. The black finish is sleek and neutral, fitting any kitchen or office aesthetic.

Overall, the ALOUFEA 20 oz Insulated Coffee Mug Tumbler is a solid choice for coffee lovers, tea drinkers, commuters, and gift buyers looking for a practical and attractive beverage container. It offers reliable temperature control, a comfortable grip, and car-friendly portability at an affordable price. If you're after a simple, everyday tumbler that does its job without unnecessary frills, this one is worth considering.

The double-wall vacuum insulation is the core feature of this tumbler. Based on the product description, it slows heat transfer to the outer wall, keeping your hot beverages hot and cold drinks cold for extended periods. For morning coffee drinkers, this means your brew stays at a drinkable temperature for at least a few hours - even if you're sipping slowly during a long commute. For iced tea or cold brew fans, the insulation prevents condensation from forming on the outside, so your hands and desk stay dry. Note that the straw opening may allow some temperature loss during use, but the lid's sip hole minimizes that when closed.

This tumbler is built for on-the-go lifestyles. Coffee lovers will appreciate its ability to hold a full 20-ounce serving from the drive-thru or a home brew. Tea drinkers can use it for hot tea during a chilly morning or iced tea on summer afternoons. Office workers can keep it on their desk for steady hydration without worrying about spills. The handle makes it great for those with arthritis or limited grip strength, and the cupholder-friendly base means it won't tip over in your car. It's also a practical gift idea for birthdays, holidays, or housewarmings - especially for anyone who commutes or enjoys outdoor activities like hiking or camping.

The YINBAOGE Insulated Travel Coffee Mug is a practical, no-fuss option for coffee lovers, tea drinkers, and anyone who needs a reliable cup for hot or cold drinks on the go. With a 12 oz capacity and double-wall vacuum insulation, this stainless steel tumbler is designed to keep your morning coffee hot for hours or your iced tea cold during a long commute. It's a solid choice for office workers, dorm students, busy parents, or anyone with a packed daily routine who wants a durable, leak-proof travel mug.

Temperature control is where this mug shines. The double-wall vacuum insulation claims to keep hot drinks hot for up to 8 hours and cold drinks cold for up to 6 hours. While individual results may vary, many users find that their coffee stays pleasantly warm through a morning meeting or a road trip. The 12 oz size is just right for a standard cup of coffee or tea, fitting most car cup holders and even some single-serve coffee makers. For those who prefer larger servings, this might feel a bit small, but it's ideal for a quick, energizing drink without overdoing it.

Build quality is straightforward and functional. The inner is made from 304 stainless steel, which is BPA-free, odorless, and rust-resistant. A soft silicone sleeve wraps around the body, offering a comfortable, slip-resistant grip and a bit of extra protection against bumps. The screw-on lid features a sealing ring to prevent leaks, and the drinking spout makes sipping easy whether you're driving or walking. The wide mouth opening makes hand washing simple, though the manufacturer recommends avoiding the dishwasher to prolong the mug's life. It's not microwave-safe, so plan accordingly.

In terms of daily convenience, this mug is easy to incorporate into a busy lifestyle. It's lightweight at just over half a pound, so it won't weigh down your bag. The leak-proof design means you can toss it in a backpack or tote without worrying about spills. Cleaning is straightforward with a bottle brush and warm soapy water, though the lid's sealing ring may need occasional attention to prevent buildup. The compact footprint also makes it easy to store in a small kitchen or dorm room.

One realistic limitation is the 12 oz capacity. For those who like a larger coffee or tea serving, this mug may require refills more often. Also, the lid can be a bit finicky to screw on perfectly straight to avoid cross-threading, so a little care is needed during assembly. The lack of dishwasher and microwave compatibility might be a minor inconvenience for some, but hand washing is quick and helps maintain the mug's insulation performance.

Overall, the YINBAOGE Insulated Travel Coffee Mug is a dependable, budget-friendly option for anyone seeking a portable, leak-proof cup for hot or cold beverages. It's especially well-suited for office workers, commuters, dorm students, and gift buyers looking for a practical, everyday drinkware solution. If you need a compact, durable tumbler that keeps your drink at the right temperature without fuss, this mug is worth considering.

The Contigo Byron 20oz Travel Mug 2-Pack is a practical solution for coffee lovers, tea drinkers, and anyone who needs a reliable, leak-proof cup for hot or cold beverages on the go. Designed with double-wall THERMALOCK insulation, these stainless steel mugs keep your morning coffee hot for up to 7 hours or iced tea cold for 18 hours. The pack includes two mugs in Sake and Blue Corn colors, making it easy to share with a partner or keep one at home and one at the office.

For coffee enthusiasts, the Byron mug delivers consistent temperature control from the first sip to the last. The vacuum-insulated walls prevent heat transfer, so your brew stays at a comfortable drinking temperature without needing a microwave or reheating. Tea drinkers will appreciate the same reliability – steep a hot tea before leaving home and enjoy it still warm hours later. The leak-proof lid is a standout feature: it seals completely when closed, and a simple button press opens the drinking spout for one-handed sipping. This is especially handy during rushed weekday mornings, commutes, or while working at a desk.

Build quality is solid, with a stainless steel body that feels durable and a subtly textured grip that provides a secure hold even when your hands are wet or moving. The 20-ounce capacity fits most standard car cup holders and sits comfortably under single-serve brewers like Keurig or Nespresso. The mug is BPA-free, so it’s safe for daily use with hot coffee, tea, or cold water. While the lid is designed to be leak-proof, it does have small crevices around the drinking spout that may require careful hand washing to prevent residue buildup – the manufacturer recommends hand washing to maintain insulation performance.

In terms of daily routine convenience, the Byron mug shines for office users, dorm residents, and busy parents. It eliminates spills and the need to constantly remove and replace caps. The 20 oz size is generous for a standard travel mug but not oversized, so it fits neatly in a backpack side pocket or lunch bag. The two-pack format is a thoughtful bonus – you can alternate colors, keep one as a backup, or give one as a gift. For those who prefer cold beverages, the mug’s 18-hour cold retention makes it ideal for iced coffee, water, or juice throughout the workday.

One realistic limitation is that the lid design, while convenient, may not be as easy to fully disassemble for deep cleaning as some other travel mugs. Some users have noted that the button mechanism can trap coffee oils or tea residue if not rinsed promptly. Additionally, the 20 oz capacity might require a mid-morning refill for heavy coffee drinkers, though it’s sufficient for a standard 12-16 oz pour with room for ice. The mug is not dishwasher-safe, so hand washing with warm soapy water is the best practice to preserve the vacuum seal and lid integrity.

Overall, the Contigo Byron 20oz 2-Pack is a strong choice for anyone seeking a reliable, leak-proof, and well-insulated travel mug for coffee, tea, or cold drinks. It suits office commuters, dorm students, and home users who value convenience and durability. If you’re looking for a reusable cup that keeps your beverage at the right temperature without fuss, this set is a practical investment. The two-pack also makes a great gift for coffee or tea lovers who appreciate a stylish, functional upgrade to their daily routine.

Each Contigo Byron mug holds 20 ounces, which is a versatile size for most hot or cold beverages. For coffee drinkers, this comfortably fits a standard 12-16 oz pour with room for milk or ice. Tea lovers can steep a full cup without overflow. The 2-pack provides a total of 40 ounces of capacity, ideal for sharing or keeping one mug at work and one at home. The compact dimensions (4.13 x 4.13 x 9.45 inches) mean it fits most car cup holders and under single-serve brewers, making refills convenient.

To maintain insulation performance and prevent odors, the manufacturer recommends hand washing the Contigo Byron mugs with warm soapy water. The stainless steel interior resists staining and is easy to rinse after each use. The lid should be disassembled carefully – the drinking spout and button area can trap coffee oils or tea residue if not cleaned regularly. A small bottle brush helps reach crevices. Avoid using abrasive scrubbers or bleach, as they can damage the finish. The mug is not dishwasher-safe, but with routine hand washing, it stays fresh and leak-proof for years.

For coffee lovers, tea drinkers, or anyone who enjoys a hot or cold beverage on the go, the WETOWETO 14 oz Vacuum Insulated Coffee Mug offers a practical and durable solution. This double-wall stainless steel travel tumbler is designed to keep your drink at the right temperature for hours, whether you're commuting to the office, relaxing at home, or heading out for a camping trip. With a powder-coated navy blue finish, it also adds a touch of style to your daily routine.

This mug is best suited for busy morning routines, office workers who need a reliable travel cup, dorm students looking for a spill-proof option, and gift buyers searching for a practical yet attractive present. The vacuum insulation technology ensures that hot coffee stays hot for over 4 hours and cold beverages like iced tea remain chilled for more than 10 hours. That means you can enjoy your brew at the perfect temperature without rushing through it.

In terms of build quality, the WETOWETO mug is made from food-grade 18/8 stainless steel and BPA-free plastic, so there's no metallic taste or plastic off-flavors affecting your coffee or tea. The powder-coated exterior resists scratches and everyday wear, keeping the mug looking new even after months of use. The included two lids add versatility: a flip straw lid for easy sipping while driving or walking, and a sliding lid that minimizes heat loss when you want to preserve temperature. Both lids fit securely, reducing the risk of spills in your bag or car.

Daily use is straightforward. The 14 oz capacity is ideal for a standard cup of coffee or a generous serving of tea, and the mug fits most car cup holders, making it a convenient companion for commutes. Cleaning is simple with hand washing, though the manufacturer recommends avoiding the dishwasher to maintain the powder coating and insulation performance. The mug's compact size also makes it easy to store on a kitchen counter or in an office drawer.

One realistic limitation is the capacity: at 14 ounces, it's smaller than many travel mugs, so heavy coffee drinkers may need to refill more often. Additionally, the sliding lid, while great for heat retention, may not be as spill-proof as a fully sealed screw-on lid, so careful handling is advised when the mug is not upright. However, for most daily scenarios, these are minor trade-offs for the temperature performance and build quality.

Overall, the WETOWETO vacuum insulated mug is a reliable choice for anyone looking to upgrade their daily beverage setup. Whether you're a coffee aficionado who values temperature control, a tea drinker who wants consistent steeping temperatures, or an office user needing a sturdy, spill-resistant cup, this mug delivers solid performance at an affordable price. It also makes a thoughtful gift for friends or family who appreciate practicality in their kitchen or travel gear.

The Ello Miri 16oz travel mug is a practical and stylish choice for coffee lovers, tea drinkers, and anyone who needs a reliable mug for their daily commute or office routine. Designed with a patented slider lid that creates an interior seal, it promises 100% leak-proof performance, making it a trustworthy companion for busy mornings when you toss your bag in the car or on the train.

Temperature control is a key strength here. The double-wall vacuum insulation keeps hot beverages steaming for up to 5 hours, so your coffee stays at a satisfying warmth even during a long drive or a slow morning at the office. For iced tea or cold brew fans, the same technology keeps drinks cold for up to 20 hours – ideal for afternoon refills without losing chill. The 16-ounce capacity hits a sweet spot: large enough for a generous serving of coffee or tea, but not so bulky that it’s awkward to hold or store.

Build quality is solid, with stainless steel construction that feels durable in the hand. The speckle rosegold finish adds a touch of elegance, while the ergonomic shape makes it comfortable to grip. It fits most standard car cup holders with its 3.5-inch base width, so you can easily take it on the road or place it on an office desk without wobbling.

Cleaning is straightforward: the lid is top-rack dishwasher safe, which is convenient for daily use. The body is best hand-washed to preserve the vacuum seal and finish, but the wide opening makes it easy to scrub. All materials are BPA-free, adding a layer of safety for daily hydration.

If there’s a limitation, it’s the 16-ounce size – heavy coffee drinkers who prefer a larger travel mug (20+ ounces) might find it a bit small. Also, while the lid is leak-proof when properly closed, some users may need a moment to get used to the slider mechanism. Over time, the exterior may show slight smudging, but a quick wipe keeps it looking fresh.

Overall, the Ello Miri is a great gift for the coffee or tea enthusiast in your life, or a practical upgrade for anyone looking to replace a leaky or poorly insulated travel mug. Its thoughtful design and reliable performance make it a solid addition to any morning routine, office setup, or weekend outing.

This BJPKPK 30oz tumbler is a straightforward insulated travel mug designed for coffee lovers, tea drinkers, and anyone who wants their beverage to stay at the right temperature throughout the day. It is especially suited for office workers, dorm students, and busy commuters who need a reliable, no-fuss container for hot or cold drinks. The double-wall vacuum insulation, as described by the manufacturer, helps maintain temperature for hours without any active heating or cooling.

For coffee drinkers, this means your morning brew stays warm until lunch, while iced tea fans can enjoy cold refreshment without rapid dilution. The 30oz capacity is generous – enough for a large café latte or a full bottle of water. The included two reusable straws add convenience for cold beverages, though the lid also has a sip opening for hot drinks. Based on the product details, the lid is threaded and BPA-free, but the manufacturer advises against inverting the tumbler when filled, as the straw grommet may leak.

Build quality is centered on premium 18/8 stainless steel, which is durable and resistant to rust or flavor transfer. The silicone handle is ergonomic and comfortable to grip, even when the mug is full. The narrow bottom is designed to fit most car cup holders, making it a practical choice for daily commutes. Cleaning is straightforward: both the tumbler and lid are dishwasher safe, which is a welcome feature for busy users who prefer minimal handwashing.

In terms of daily use, this tumbler performs well for its intended purpose – passive temperature retention. It does not offer any brewing capability, temperature control, or programmability, but that is expected from a simple thermal mug. The main limitations are the potential for leakage when tilted or inverted and the lack of a seal-proof lid for tossing into a bag. For desk workers, car commuters, or home use where the mug sits upright, these drawbacks are minor.

Overall, this BJPKPK tumbler is a solid choice for coffee and tea enthusiasts who prioritize capacity, insulation, and easy cleaning over advanced features. It also makes a practical gift for friends or family who appreciate a reliable travel mug for their daily beverage routine. For anyone looking to upgrade their kitchen or office drinkware with a large, durable, and dishwasher-safe option, this tumbler delivers good value.

The SUNWILL Travel Coffee Mug with Lid is a 14-ounce insulated tumbler designed for anyone who enjoys a hot cup of coffee, tea, or a cold beverage throughout the day. This rose gold mug combines double-wall vacuum insulation with a sturdy stainless steel body, making it a practical companion for coffee lovers, tea drinkers, office commuters, dorm students, and even gift buyers looking for a stylish yet functional drinkware option.

When it comes to real-world performance, the insulation does its job well. Based on product specifications and user feedback, hot beverages stay warm for over three hours, while cold drinks remain chilled for up to nine hours – perfect for sipping through a long morning meeting or an afternoon of iced tea. The exterior stays sweat-proof, so you won’t end up with a wet desk or a slippery grip. The slide lid helps retain temperature and reduces splashes, though it’s not fully sealed for upside-down carrying. For most home, office, or dorm use, that’s rarely an issue.

Build quality is solid with premium 18/8 food-grade stainless steel that won’t rust or leach flavors. The pearlized finish is both attractive and durable, resisting minor scratches. The full-loop handle is a standout feature – it’s comfortable to hold even with larger hands, and the wide opening is straw-friendly, which many iced coffee or tea drinkers appreciate. Cleaning is straightforward: a quick hand wash with warm soapy water does the trick, though the lid’s silicone gasket may require a bit more attention to avoid residue buildup.

Daily convenience is where this mug shines. It fits neatly under most standard coffee machine spouts, and its compact size (4.1 inches tall) slides into car cup holders and office bags with ease. The 14-ounce capacity is a good middle ground – enough for a generous cup of coffee or a large tea without being too bulky to carry. For busy morning routines, it’s an easy grab-and-go option that keeps your drink at the right temperature until you’re ready to finish it.

There are a couple of realistic limitations. The lid is spill-resistant but not leak-proof, so it’s best kept upright during transport. Also, the 14 oz size may feel small for those used to jumbo 20 oz tumblers, meaning more refills if you’re a heavy coffee drinker. Still, for the price point and quality, these trade-offs are minor for most everyday users.

Overall, the SUNWILL Travel Coffee Mug is a reliable and attractive choice for upgrading your daily beverage routine. Whether you’re a home barista who wants to keep your latte warm during a commute, a tea lover looking for a sweat-proof cup for iced brews, or a gift buyer searching for a practical present that looks good, this mug delivers solid performance without breaking the bank. It’s a genuine workhorse for office desks, dorm rooms, and kitchen counters alike.

This 14 oz insulated mug is perfect for several everyday scenarios: morning commutes where you need coffee or tea to stay warm for the drive, office desk sessions with hot tea or cold water throughout the day, dorm rooms where compact storage and no-condensation surfaces are key, and outdoor trips like camping or picnics where unbreakable stainless steel is a must. It also makes a thoughtful gift for friends or family who appreciate stylish drinkware for their daily coffee or tea ritual.

Cleaning the SUNWILL mug is simple. Hand wash with mild soap and warm water using a soft sponge – avoid abrasive pads that could scratch the pearlized finish. The lid can be disassembled by pulling out the silicone gasket for thorough cleaning to prevent any odor or mold buildup. Let all parts air dry completely before reassembling. Do not microwave or put in the dishwasher. With proper care, the stainless steel body will maintain its appearance and insulation performance for years.