THERMOS Stainless King Vacuum-Insulated Stainless Steel Tumbler - 16oz, Midnight Blue - Insulated Coffee Tumbler for Hot & Cold Drinks - Leak-Proof & Sweat-Proof for Commuting & Traveling
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Availability:
In Stock.
Arrives
Saturday, Jul 18
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Color: Midnight Blue
Size: 16 Ounces
Style: No Handle
Features
- Premium insulation: Make sure your morning routine never loses steam with this insulated Thermos tumbler; our coffee Thermos tumbler delivers maximum temperature retention, allowing you to keep drinks hot for up to 7 hours and cold for up to 18 hours
- Travel-ready: Equipped with a DrinkLock sealing lid and made with durable 18/8 stainless steel, this leak proof tumbler is ideal for commuting and traveling; our travel coffee mug fits most standard-sized cupholders for easy on-the-go use
- Versatile usage: Our Thermos stainless steel tumblers can be used as travel mugs for coffee or for a cup of tea using the built-in tea hook; the exterior of this tumbler stays cools to the touch with hot beverages and sweat-proof with cold drinks
- Easy to clean: This Thermos travel tumbler is easy to disassemble and clean, allowing for convenient everyday use; our Thermos tumbler is dishwasher safe, top-rack recommended
- Protect what you love: With 120 years of heritage, Thermos Brand food and beverage containers keep things fresh, sealed and protected; trusted since 1904 because our products help make everyday life a little better, every time
Description
This rough and tumble stainless steel travel mug is great for long treks or long road trips—to the wilderness or across town. The perfect travel companion. The STAINLESS KING Travel Mug is durable, dependable, and designed for the long haul. 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 are dishwasher safe, top rack recommended.
Brand: THERMOS
Capacity: 16 ounces
Color: Midnight Blue
Recommended Uses For Product: Hot and Cold Drinks, Travel
Special Feature: Break Resistant, Heat Reveal Technology, Leakproof
Brand Name: THERMOS
Recommended Uses For Product: Hot and Cold Drinks, Travel
Age Range Description: Adult
Model Name: Stainless King Travel Tumbler
Included Components: Tumbler
UPC: 300715996200 041205747505
Manufacturer: Thermos
Global Trade Identification Number: 05
Unit Count: 1.0 Count
Item Type Name: Stainless Steel Bottle
Manufacturer Warranty Description: limited 5 year manufacturer
Capacity: 16 ounces
Item Dimensions W x H: 3.3"W x 7.8"H
Item Weight: 0.5 Pounds
Number of Items: 1
Additional Features: Break Resistant, Heat Reveal Technology, Leakproof
With Lid: Yes
Material Type: Stainless Steel
Product Care Instructions: Hand Wash Only
Is the item dishwasher safe?: Yes
Color: Midnight Blue
Pattern: Tumbler
Theme: Food & Drink
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Jul 18
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: Midnight Blue
Size: 16 Ounces
Style: Handle
I’ve been using a plastic mug for my coffee on the go but it always ends up lukewarm within about 30 minutes. When leaving a friends house they had me try this thermos and I’m so glad they did! My coffee was still piping hot by the time I was finishing it! The lid has a great seal and easy open close to prevent spillage. I decided to give it a try with cold water and sure enough the ice was still there the next day! Overall amazing value and quality!
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Reviewed in the United States on May 16, 2026 Reviewed in the United States on May 16, 2026 by Anthony B.
Color: Midnight Blue
Size: 16 Ounces
Style: No Handle
I love this thing. I actually bought this for my wife who has a habit of taking regular coffee cups from the kitchen and then sort of balancing them in the cupholder in the car. In all fairness, there's only a spill every 3 or 4 months, but I thought maybe if there was smaller mug like this around she would use it. That didn't happen, because the house mug is fast and requires no thought. Now, I love mugs and I have too many and every so often, I move a bunch into a box and put them in that cupboard over the fridge so things aren't so crowded. But I like really big mugs that hold a lot of coffee. I have a handful of 40 oz mugs that I use even though they technically aren't for hot liquids. Then I have some 32 oz ones and 30 oz ones of different brands, and some 20oz. What I don't have are any 16oz ones like this because I thought that would be too small. For taking all the rest of the coffee left in the pot or for taking down a half day worth of coffee to my home office so I don't have to come back up, it is way too small. But, for keeping the coffee that I'm actively drinking right now, hot. This thing is the bomb. I've got Camelback, Yeti, Coleman, and Hydroflask, and none of them keeps coffee hot as long as this one. Now, that might not be fair since some of them are much bigger, and like a said a few aren't supposed to be for hot. And, I don't know what rating scale they use for "keep hot" but when it comes to hot coffee that still tastes like hot coffee (not warm enough, or kinda warm, but actually hot) this thing wins in both the "left it on my desk" and the "left in the cupholder out in my car while I ran in 'real quick'" scenarios. Unlike my giant ones, this fits comfortably in my hand and fits in the cupholder of every car, not just the ones with expaned size holes. And, not that I care 90% of the time, but if need be, it also doesn't make me look like some coffee drinking weirdo, or heaven forbid, college student drinking their all day frozen frozen frappawhatever. It's also been in and out of my dishwasher dozens of times and still looks just fine. The black paint won't rub off like some of the prettier designs. It has two drawbacks if you want to nitpick. First, for some reason there is no grip on that little silver ring that goes around the lid, so you have to sit there and really work at getting it to loosen unless you have one of those rubber grippy things nearby, in which case it twists right off. Second, it claims leak proof, and I don't doubt it, other than it doesn't necessarily like click or snap into locked position. You have to put some care into getting it right and then I make sure to turn it upside down and test it a bit. Even if you get everything right, the lever to move it to open position is the kind of thing that could be caught on stuff in your bag and twisted just enough to leak. It's not like it would be a common thing, but if you have a big ol Oprey bag that you just keep shoving stuff into like me, I wouldn't trust it. The good news is it fits the dumb side pouch cupholder for that backpack and I would totally trust the lock in that situation, so thumbs up. Theres also a hook in the bottom of the lid that you could hand your tea bag string with. I haven't gotten around to using it (I don't drink tea the same amount) but it's definitely a cool idea. If you are OK with the size (16oz) then this mug is perfect. It keeps drinks hot without being all extra sized bulky and goes where you go. Definately recommend.
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Reviewed in the United States on November 8, 2025 by Amazon Customer
Color: Midnight Blue
Size: 16 Ounces
Style: No Handle
Such a great tumbler really keeps your drink cold and hot for a long time. Insulation is great you can’t even feel the heat. Love the concept of the lid, the way it’s easy to clean and the way the knob works so u can open it and close it. Also the little hook was a cool idea for hanging the tea bags.
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Reviewed in the United States on May 9, 2026 by Washington Soto Reyes
Color: Midnight Blue
Size: 16 Ounces
Style: No Handle
This Thermos tumbler is the best container for keeping hot drinks hot for a long period of time. No other tumbler can compare, and I've tried many. I've never used it for cold drinks...just have no need. Both my husband and I use this tumbler in different colors. Keeping the top part clean is easy. I .just run warm/hot water over it, shake it, and put it on the tumbler. Periodically, I take the rubber parts off and thoroughly clean them and put back together. Hand wash. Do not put in dishwasher...fades color, and there is no need.
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Reviewed in the United States on June 17, 2026 by Amazon Customer
Color: Midnight Blue
Size: 16 Ounces
Style: Handle
Solid choice for anyone who needs a reliable mug for daily use. It does an excellent job of keeping drinks hot or cold for hours, making it perfect for commuting, road trips, or long workdays. The stainless steel construction feels durable and well-made, and it handles everyday wear without any issues. The lid seals tightly and helps prevent leaks, which is a big plus when tossing it into a bag or placing it in a car cup holder. The design is simple and functional, and the grip feels comfortable in hand. Cleaning is fairly easy, though the lid does have a few parts that require a bit of extra attention. The only downside is that it can feel a bit heavy compared to other travel mugs, and the lid mechanism may take some getting used to at first. Overall, it’s a dependable, high-quality travel mug that delivers on performance, just not quite perfect — earning it a strong 4 out of 5 stars.
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Reviewed in the United States on December 13, 2025 by Aimen
Color: Army Green
Size: 16 Ounces
Style: Handle
Even better than what I thought these would be. They hold heat and cold ALL day. Literally. My coffee gets poured in at 5am and it's still pretty hot at 5pm and beyond, so, EXCELLENT. Good job. Nice design fits in any cupholder. Maybe a little too loose but not a deal-breaker. Love, Love, Love the ability to CLOSE the mouth and OPEN with a flick of a finger. So many times I've accidentally spilled on blueprints or contracts but not any more (as long as I can remember to close it. lol). But now it may fall over and it is not a crisis. True containment. Keeping it closed when not drinking keeps the heat or cold in even better. I like the Army green one with the tactile grip handle, but midnight blue (almost black) is nice in it's own way with the smooth handle. Wife got the stainless steel version, smooth handle. All good. (Talking to you Thermos guys... I'd like to see a 20-21oz in the same basic design. Maybe a little more of the tactile grip and slightly larger base for stability on slightly sloped surfaces like truck hoods, as long as it still does the cupholder thing. Seems like you still have lots of space to work with. And, hey...! Why all the difficult-to-remove plastic wrapping when you first get it?? My blue one got all scratched up trying to get that obnoxious, useless, wrapping off! That made me cry, figuratively). But, anyway... Definitely recommend!
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Reviewed in the United States on January 15, 2026 by A. Lasky
Color: Midnight Blue
Size: 16 Ounces
Style: Handle
After almost daily use and even use couple times a day and couple drops I wanna say how lucky I am I bought this. I’m a big tea drinker and even if the bottle isn’t big enough to satiate my tea quench easily it’s super convenient size, I attach it to my handbag straps and it stays there, keeps the tea hot until evening even then barely warm and one thing is super cool that even if the tea is hot, the drinking part is designed so well that it doesn’t burn your lips or mouth at all unless you’re gulping steaming hot liquids. Very good, would buy for other people too since it seems durable for long enough for myself, excuse my tea/coffee stained thermos lol
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Reviewed in the United States on June 13, 2026 Reviewed in the United States on June 13, 2026 by Never received the item, 1 star
Color: Midnight Blue
Size: 16 Ounces
Style: Handle
I received and used this Thermos cup today. First impressions are that it is definitely 5-star quality. I chose it for the the graceful design and the size. I’ve had Yeti, but they are often too bulky for my taste. I also liked the color selections and chose the midnight blue. It’s a really nice rich color. The finish has a deep hue and a high quality feel. At 14 oz, this is a perfect size for commuting or traveling. I had some concern about how long this one would keep coffee hot because I’m a sipper and a cup can last me for three hours or more. I rarely finish a cup that is actually warm unless it is left on a warmer. I prefer a handle when and the open end of the handle makes it eqsy to hang the cup on something if my hands are full The cap is designed really well, and when closed the cup can’t leak even when the coffee is hot. It appears that hot coffee will exert extra pressure on the inside causing the inner seal ro press more tightly. That’s a nice feature. The cap opens with a lever that makes it easy to open or close the lid withjout using two hands. Also you can drink coffee from either side of the mug, i.e., left or right handed. Actually, I was wondering if the lever would bump against my nose, but it is designed to be off to the side when open. With the lid is in the open, it let’s a reasonable amount of coffee through, but with any care at all, you won’t be likely to burn yourself because it's easy to regulate the amount coming into the “sipping tray” part of the lid. So the first test: I made coffee at 1 PM and an hour later, the coffee was still remarkably hot. Rather than test the long-term holding power, I decided to leave the lid open to see how quickly tmy coffee would cool. What a surprise: I finished the coffee at 6 pm and it was still a very pleasant drinking temperature. Five hours is better than my Ember cup by far! Finally, when I came home s disassembled the lid to wash it and it was very easy and intuitive. Honestly, for the money, I’d say it is the best hot cup I've purchased, and I’ve gone through quite a few. Definitely would recommend it.
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Reviewed in the United States on March 30, 2025 by PopsR