CS COSDDI 12 oz Stainless Steel Vacuum Insulated Tumbler - Coffee Travel Mug Spill Proof with Lid - Coffee Cup for Keep Hot/Ice Coffee,Tea and Beer (White)

CS COSDDI 12 oz Stainless Steel Vacuum Insulated Tumbler - Coffee Travel Mug Spill Proof with Lid - Coffee Cup for Keep Hot/Ice Coffee,Tea and Beer (White)

(4.4)

11240 Reviews

Get it - $9.99

#commissionsearned

Specifications

Brand: CS COSDDI
Material: Stainless Steel
Color: 2D-white
Capacity: 12 ounces
Special Features: Break Resistant, Double Wall, Freezer Safe, Heat Resistant, Leak Proof

The CS COSDDI 12 oz Stainless Steel Vacuum Insulated Tumbler is designed for those who desire a reliable and stylish coffee travel mug. With a clean white finish, this tumbler is not only aesthetically pleasing but also highly functional, ensuring that your beverages stay at the desired temperature whether you’re on the go or relaxing at home.

Features

Healthy Material: Made from high-quality grade 304 stainless steel, this tumbler is taste-free, rust-proof, and leak-proof. The lid is constructed from food-grade silicone and is BPA-free, ensuring durability and safety.
Leakproof Design: The airtight silicone seal on the lid prevents spills and leaks, while an air vent allows for smooth flow without gushing or overflowing. A rubberized base design minimizes the risk of slipping or tipping over.
Perfect Capacity: With a 12oz capacity, this tumbler is compact yet spacious enough for your favorite drinks. Its narrow body design makes it easy to carry and fits most car cup holders and coffee makers.
Easy to Carry: Perfect for both indoor and outdoor use, whether at home, parties, school, or on a ride. Enjoy your coffee wherever life takes you.
Use Notes: To secure the lid, ensure it clicks twice. It’s recommended to hand wash only; avoid dishwasher use and do not place in the microwave.

Pros

Durable Material: The 304 stainless steel construction offers excellent resistance to corrosion and wear.
Excellent Insulation: Keeps beverages hot or cold for extended periods due to its vacuum insulation.
Compact Size: Easily portable and designed to fit in standard cup holders.
Safety Features: The leak-proof design ensures that you won’t experience unexpected spills.

Cons

Hand Wash Only: Requires manual cleaning as it's not dishwasher safe, which might deter some users.
No Microwave Use: Cannot be used in a microwave, limiting heating options.

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CS COSDDI Stainless Steel Vacuum Insulated Tumbler 12 oz – Price, Ratings, Reviews & Sales Insights

Product Name	Price	Rating	Review Count	Expert Score	Sales Last Month	Buy
YINBAOGE 12 OZ Stainless Steel Travel Mug – Leak Proof	$9.99	(4.4)	3616	89	5000	Get it on Amazon
SUNWILL Travel Coffee Tumbler 20 oz - Insulated Design	$14.99	(4.4)	27553	82	100	Get it on Amazon
Vacuum-Insulated 12OZ Travel Coffee Mug – Leak-Proof Design	$8.98	(4.4)	897	76	1000	Get it on Amazon
Meoky 24 oz Insulated Travel Coffee Mug - Leak-Proof Lid	$16.14	(4.4)	1302	75	1000	Get it on Amazon
MOMSIV 17oz Travel Mug - Insulated Coffee Cup	$12.33	(4.4)	4500	74	100	Get it on Amazon
BJPKPK 20oz Stainless Steel Tumbler - Keep Drinks Hot/Cold	$15.99	(4.4)	21	74	10	Get it on Amazon
Insulated Coffee Tumbler 12 oz - Leak-Proof Design	$9.89	(4.4)	412	73	10	Get it on Amazon
Insulated Tumbler 30 Oz - Keep Drinks Hot or Cold	$16.14	(4.4)	1596	73	10	Get it on Amazon
20 oz Stainless Steel Tumbler - Vacuum Insulated Travel Mug	$9.99	(4.4)	366	73	10	Get it on Amazon
Navy Tumbler 20 oz Insulated Coffee Mug - Keep Drinks Hot & Cold	$9.99	(4.4)	281	73	10	Get it on Amazon
20 oz Stainless Steel Insulated Tumbler - Keep Drinks Hot & Cold	$9.99	(4.4)	281	73	10	Get it on Amazon
Dark Blue 20 oz Tumbler - Double Wall Insulation	$9.99	(4.4)	281	73	10	Get it on Amazon
BJPKPK 24oz Stainless Steel Tumbler – Insulated Travel Mug	$18.99	(4.4)	20	73	10	Get it on Amazon
20 oz Tumbler – Stainless Steel Insulated Mug	$8.99	(4.4)	837	73	10	Get it on Amazon
20oz Tumbler – Double Wall Insulated Coffee Mug	$8.09	(4.4)	275	72	50	Get it on Amazon
Bulk Stainless Steel 20oz Tumbler - Vacuum Insulated	$9.99	(4.4)	528	72	50	Get it on Amazon
Tumbler 20oz Stainless Steel Mug - Insulated Travel Cup	$9.99	(4.4)	528	72	10	Get it on Amazon
Tennis Tumbler Cup 17 Oz – Perfect for On-the-Go	$19.99	(4.4)	248	72	10	Get it on Amazon
Insulated Tumbler 40 oz Stainless Steel Cup - Keep Drinks Hot	$19.94	(4.4)	94	72	10	Get it on Amazon
VINUR Kids Tumbler 14 oz Stainless Steel - Leak Proof Design	$12.99	(4.4)	457	72	10	Get it on Amazon
Navy 20 oz Stainless Steel Travel Tumbler - Insulated Design	$9.99	(4.4)	422	72	10	Get it on Amazon
Strawberry Cup 40 OZ Tumbler - Leak Proof Travel Mug	$19.99	(4.4)	138	71	10	Get it on Amazon
Grey 20 oz Vacuum Tumbler - Spill Proof Insulated Design	$11.99	(4.4)	418	71	10	Get it on Amazon
Jelly Green 20Oz Insulated Tumbler - Spill Proof Design	$18.41	(4.4)	219	71	10	Get it on Amazon
20 oz Tumbler - Double Wall Insulated Coffee Mug – Black	$39.89	(4.4)	281	71	10	Get it on Amazon
ArmyGreen 20 OZ Vacuum Insulated Tumbler - Keep Drinks Hot & Cold	$39.99	(4.4)	962	71	10	Get it on Amazon
Peony Floral 20 oz Tumbler - Insulated Coffee Cup	$19.99	(4.4)	10	71	10	Get it on Amazon
Navy 20 oz Tumbler – Double Wall Insulated Mug	$41.79	(4.4)	281	70	10	Get it on Amazon
YOUKE OLA 30oz Insulated Tumbler - Double Wall Coffee Cup	$59.99	(4.4)	92	70	10	Get it on Amazon
Dark Blue 20 oz Double Wall Insulated Tumbler - Keep Drinks Hot & Cold	$40.84	(4.4)	281	70	10	Get it on Amazon
Dark Blue 20oz Stainless Steel Tumbler - Vacuum Insulated	$43.99	(4.4)	528	70	10	Get it on Amazon
20 oz Stainless Steel Tumbler - Vacuum Insulated Mug	$70.54	(4.4)	837	69	10	Get it on Amazon
Tumbler 20 oz Double Wall Insulated Coffee Mug - Stay Cold & Hot	$62.99	(4.4)	97	69	10	Get it on Amazon
Tea Infuser Cup - Insulated Coffee Mug - Removable Strainers	$24.99	(4.4)	31	69	10	Get it on Amazon
VEGOND 20oz Insulated Tumbler - Perfect for Travel	$69.99	(4.4)	1656	69	10	Get it on Amazon
Bulk Stainless Steel Insulated Tumbler - 12 Pack	$71.99	(4.4)	95	69	10	Get it on Amazon
YOUKE OLA 20oz Insulated Coffee Tumbler - Travel Convenience	$49.99	(4.4)	61	69	50	Get it on Amazon
Stainless Steel 20 oz Tumbler - Insulated Travel Mug – 8-Pack	$49.39	(4.4)	424	69	10	Get it on Amazon
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Dark Blue 20 oz Tumbler – Double Wall Insulated Coffee Mug	$82.99	(4.4)	281	68	10	Get it on Amazon

What Customers Say

Fifi

February 05, 2026

5 / 5

Perfect for coffee on the go!

I have always hated the oversized coffee thermoses so I was ecstatic to find this. I got the cute two tone pink & white one a couple of months ago and the paint is still perfect. It is lightweight even with coffee in it, and more importantly it fits in my cupholder. The shape of the cup and the texture of the paint ensures that it never slips as well. This wonderful cup keeps my coffee piping hot for up to three or four hours; I even have to take the lid off to let my coffee cool down a bit so I can drink it. Very easy to clean, and the seal on the lid is 100% secure. Also the mouth is the perfect size for sipping so my mouth doesn’t get flooded with searing hot coffee! Most importantly… it isn’t oversized.

✔ Verified Purchase

Narmin Madatli

February 11, 2026

5 / 5

Cute design and great value

I bought three of these — two as gifts and one for myself — and I’m very happy with them. The design is really cute, and they keep coffee hot for a long time.Even though the price is affordable, the quality feels much better than expected. The material is sturdy, and it definitely feels worth the price.Overall, a great purchase, especially if you’re looking for something stylish and practical.

✔ Verified Purchase

Mike J Reneman

January 18, 2026

5 / 5

Keeps Drinks Hot and Doesn’t Leak

This tumbler keeps coffee hot longer than expected and the lid doesn’t leak in a bag or cup holder. Size is perfect for travel, and it feels solid without being heavy. Simple design, easy to clean, and does exactly what it’s supposed to do.

✔ Verified Purchase

Bre

January 13, 2026

4 / 5

Great mug!

Great travel mug for keeping your drinks hot. Fit in cup holder great, and overall a wonderful mug. Only 4/5 stars because the paint does begin to chip over time. Not too big of a deal, as the mug is still usable and good.

✔ Verified Purchase

brian86

December 10, 2025

5 / 5

My old one does not leak. New one does. Both hold heat well.

I bought this tumbler over a year ago and decided to buy another one. I like everything about it but most of all it didn't leak. The lid has a small flip over cover that snaps into place never leaks. This new one was slightly different. The flip closure did not snap closed. When I turned it over and water poured out in a small stream. I decided to fill it with hot water to see if the lid material would soften and mold itself to seal. I made sure the cap was firmly screw in, closed the flip cover firmly on the lip, then turned the mug over. Water came out again but then slowed to a trickle and eventually stopped. The next day, same test, leaks about 2 drops per second. Both old and new kept hot liquids hot. Started with 207 degree hot water. One hour and 15 min later about 147 degree. Still hot enough.I like the tumblers. I have confidence that one will not leak either while in the cup holder while driving or in my gym bag ( would still place it in a medium plastic bag ). The other one that leaks, place in a cup holder or in your hands only.

✔ Verified Purchase

Manny fonseca

February 10, 2026

5 / 5

Keep my coffee, hot for a long time

I was in a designer of kids cups for my company and I I thought of something like this cup. It is the most perfect cup I ever used and when you close it tight put in a bag. It doesn’t leak at all and it keeps my coffee hot for a very long time.

✔ Verified Purchase

S. St James

December 27, 2025

5 / 5

Hot!

This is a great coffee tumbler. My daughter got this for me in mint green and I bought 2 more as gifts for the holidays.The insulation of it keeps your coffee hot for a long time and its a great size. For me it's perfect for work because I get distracted and usually my coffee gets cold right away.I recommend it and the price is reasonable.

✔ Verified Purchase