THERMOS Stainless King 16 oz Simple Travel Mug, Uncluttered Stainless Steel Design in Neutral Tones
THERMOS Stainless King 16 oz Simple Travel Mug, Uncluttered Stainless Steel Design in Neutral Tones
In stock
Couldn't load pickup availability
Share
Why you'll love it
- 7-hour heat retention eliminates mid-morning coffee reheating
- Leak-proof DRINKLOCK lid gives confidence tossing it in a bag or cup holder
- Sweat-proof exterior prevents wet rings on desks and ring-burn on hands
- Rugged 18/8 stainless steel holds up to drops, dents, and dishwasher cycles
- Heritage brand trust built since 1904 with a multi-color line (Matte Steel, Army Green, Rustic Red, Midnight Blue) to match personal style
- Built-in tea hook saves carrying a separate infuser for tea drinkers
Perfect for
- Hot coffee or tea that stays warm through a full morning commute
- Iced cold brew that remains cold through an 8-hour work shift
- Spill-free travel mug for road trips and long drives
- Loose-leaf tea brewing on the go using the built-in tea hook
- Camping or hiking companion that holds up to rugged conditions

There's a lot that goes into a Thermos product.
Superior insulation technology, long term durability, and seriously dependable features. But there's one thing built into every Thermos product that stands out even more: how much we care. Since 1904, we've cared about what goes into every Thermos container, choosing the highest quality and most innovative materials to create reusable (and really reliable) products. It's why generations of families still trust Thermos brand to keep their favorite food and drinks hot or cold throughout the day.
Vacuum Insulated - Keeps hot for 7 hours and keeps cold for 18 hours
No spills + no surprises. We care because you do, too.
Built-in portability. Gear that doesn't take a day off.

The Stainless King Collection
Don't Lose Steam.
Get the job done with the gear that doesn't take a day off. Hots stay Hot. Colds stay Cold. You stay focused on everything else.






Shop the FUNTAINER Collection
Visit the Store




Best Sellers & New Arrivals
Visit the Store




Shop the ICON Series
Visit the Store



Shop ICON Coolers
Visit the Store




Shop STAINLESS KING Collection
Visit the Store

Product Information
STAYS HOT OR COLD: THERMOS vacuum insulation technology for maximum temperature retention of hot or cold beverages. Keeps your morning coffee or tea hot for up to 7 hours and iced drinks cold for up to 18 hours
EXTREMELY DURABLE: High quality 18/8 stainless steel construction is dependable any time of year for long treks or road trips – to the wilderness or across town
SWEAT-PROOF: Exterior stays cool to the touch with hot beverages and sweat-proof with cold. THERMOS brand mugs and tumblers are dishwasher safe, top rack recommended
LEAK-PROOF LID: DRINKLOCK sealing lid is leak-proof when closed for peace of mind. Features a built-in tea hook that holds tea bags or most loose leaf infusers. Lid design is easy to disassemble and clean
SINCE 1904: THERMOS brand products have been making everyday life better, every time. Hot stays hot. Cold stays cold. Food and drinks stay fresh. The little things go a long way, so do we
If you’re like us, you want your hot coffee to be hot for your whole commute and after getting through your inbox. Thanks to our high quality double-wall stainless steel construction, the STAINLESS KING Tumbler’s vacuum insulation is the best way to make sure your morning routine never loses steam. Keeps your morning coffee or tea hot for up to 7 hours and iced drinks cold for up to 18 hours. The DRINKLOCK sealing lid is leak-proof when closed for peace of mind. Features a built-in tea hook that holds tea bags or most loose leaf infusers. Exterior stays cool to the touch with hot beverages and sweat-proof with cold. THERMOS brand mugs and tumblers are dishwasher safe, top rack recommended.Recommended Uses For Product: Hot and Cold Drinks, Travel
Age Range Description: Adult
Model Name: Stainless King Travel Tumbler
Included Components: Travel Tumbler
Global Trade Identification Number: 00041205701156
Item Type Name: Stainless Steel Bottle
Item Height: 7.8 inches
Capacity: 473 Milliliters
Item Dimensions W x H: 3.3"W x 7.8"H
Item Weight: 4.8 ounces
Number of Items: 1
Base Diameter: 3.3 Inches
Additional Features: Alcohol-Free
Cap Type: Screw Cap
With Lid: Yes
Material Type: Stainless Steel
Product Care Instructions: Dishwasher Safe
Is the item dishwasher safe?: Yes
Is the item microwaveable?: No
Is Oven Safe: No
Color: Matte Steel
Theme: Food & Drink
Pattern: Tumbler
Frequently Asked Questions
Does the matte finish fit a minimalist kitchen or desk aesthetic?
Yes. The matte powder-coated finishes in Matte Steel, Army Green, Rustic Red, and Midnight Blue are intentionally understated, with no flashy logos or graphics, so they blend seamlessly into minimalist kitchens, desks, and home offices.
Is the design free of unnecessary buttons, screens, or attachments?
Yes. The Stainless King is a purely mechanical, button-free design. There is nothing to charge, pair, or update, which fits a minimalist preference for fewer objects and fewer points of failure.
Does the sweat-proof exterior keep a clean, dry surface?
Yes. The double-wall vacuum design eliminates condensation, so the tumbler leaves no water rings on a wood desk, marble counter, or stone table. It looks and feels clean all day.
Can it replace multiple mugs and bottles in my kitchen?
Yes. Because it works equally well for hot coffee, iced cold brew, and loose-leaf tea, the Stainless King can replace a separate coffee mug, water bottle, and tea infuser, supporting a less-is-more approach to your daily carry.
Is the shape simple and easy to store?
Yes. The tumbler has a clean, straight-walled silhouette that nests easily in a cabinet, fits standard cup holders, and stands neatly in a dish rack without awkward angles or extra parts.
Will this look right in a neutral-toned, intentional home?
Yes. The Matte Steel and Midnight Blue finishes are designed to read as neutral, while Army Green and Rustic Red offer quiet accents. All four colors are muted and saturated, never loud, so they fit a calm, intentional home.
Is it easy to use one-handed, without extra steps?
Yes. The DRINKLOCK lid opens and closes with a simple, intuitive motion. There is no separate infuser to assemble and no steep learning curve, which fits a minimalist preference for effortless, repeatable use.
Does the lack of plastic parts support a low-clutter, eco-conscious lifestyle?
Yes. The 18/8 stainless steel body is durable, reusable for years, and dishwasher safe, so it reduces dependence on disposable cups and plastic water bottles, aligning with a minimalist and low-waste lifestyle.
How does this compare to a smart mug with app controls?
A smart mug adds charging cables, app pairing, and a battery to your routine. The Stainless King uses passive vacuum insulation, with no electronics, no apps, and no extra clutter, which is a better fit for a minimalist who values fewer devices.
Is this better than a multi-piece water bottle with built-in straws and filters?
For minimalists, yes. Multi-piece bottles with straws, filters, and lids require more parts to clean, store, and keep track of. The Stainless King has a single body and a single lid, which is easier to maintain and harder to lose.
Will it look out of place next to a curated coffee or tea setup?
No. The clean lines, muted finishes, and absence of loud branding make the tumbler look intentional next to a curated pour-over station, espresso setup, or loose-leaf tea shelf.
Does the tea hook add clutter, or does it stay hidden?
The built-in tea hook sits inside the lid and is invisible when the tumbler is closed. You only see it when you lift the lid, which keeps the exterior clean and uncluttered.
Can I keep just one tumbler and still cover coffee, tea, and water?
Yes. The 18/8 stainless interior does not retain flavors between uses, so one tumbler can rotate through coffee, tea, and water throughout the day without taste transfer, supporting a one-object-minimalist approach.
Is the lid simple to disassemble and clean by hand?
Yes. The lid has a minimal number of parts, which can be hand-washed quickly with warm soapy water. This is easier to maintain than lids with multiple gaskets, straws, and valves.
Will the design still look modern in five years?
The Stainless King uses a timeless stainless silhouette and a heritage brand identity that has remained visually consistent for decades. It is built to age gracefully rather than chase trends, which is core to a minimalist aesthetic.
Does it pair well with other simple, well-made objects?
Yes. The understated finish pairs naturally with wood, leather, ceramic, and glass, so the tumbler looks at home next to a hand-thrown mug, a leather desk mat, or a wooden charging dock.
How do I clean the THERMOS Stainless King tumbler?
The 18/8 stainless steel body is dishwasher safe on the top rack. The lid can also be washed on the top rack or hand-washed with warm soapy water. For best results, allow all parts to air dry fully before reassembling.
Can I put hot liquids in it right after brewing?
Yes. The double-wall vacuum insulation is designed for boiling-hot coffee and tea. For maximum heat retention, pre-warm the tumbler with hot water for a minute, then add your fresh brew.
How long does it actually keep drinks hot or cold?
The double-wall vacuum insulation is rated to keep drinks hot for up to 7 hours and cold for up to 18 hours, depending on the starting temperature of the drink, the ambient temperature, and how often the lid is opened.
Does the tumbler fit in a standard car cup holder?
Yes. The 16-ounce Stainless King is sized to fit most standard car cup holders, making it a reliable choice for daily commutes and road trips.
Can I use it with single-serve coffee machines?
Yes. The tumbler fits under most single-serve coffee brewers, so you can brew directly into it. Always check the clearance on your specific machine before brewing.
What is included in the box?
The box includes the 16-ounce Stainless King vacuum-insulated travel tumbler with the DRINKLOCK leak-proof lid and built-in tea hook. No additional accessories are required, and no batteries or chargers are needed.
Is it safe to use every day for years?
Yes. The 18/8 food-grade stainless steel interior is BPA-free, does not retain flavors, and is built for daily long-term use. The body is also rust-resistant and dishwasher safe for easy care.
Can the tumbler break or shatter if dropped?
Unlike glass or ceramic mugs, the 18/8 stainless steel body is designed to absorb drops and resist shattering. While extreme impacts can dent stainless steel, the tumbler will not crack or break into sharp pieces the way glass can.
What is the difference between a travel tumbler and a regular insulated bottle?
A travel tumbler is designed for upright desktop use with a wide-mouth opening, a spill-resistant lid, and a shape that fits cup holders. A traditional insulated bottle is taller, narrower, and typically sealed with a sport cap. Tumblers are better for coffee, tea, and desk use, while bottles are better for one-handed hydration on the move.

