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☕ Elevate your daily sip game with spillproof style and lasting temperature control!
The CS COSDDI 12 oz Stainless Steel Vacuum Insulated Tumbler combines premium 304 stainless steel with double-wall vacuum insulation to keep beverages hot or cold for hours. Featuring a BPA-free, airtight silicone lid with an air vent, it prevents spills and ensures smooth sipping. Its compact, narrow design fits most car cup holders and offers a non-slip grip with a rubber base, making it the perfect travel companion for professionals seeking durability, convenience, and style.





















| ASIN | B0865XCJ7W |
| Age Range Description | Adult |
| Best Sellers Rank | #794 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #30 in Insulated Tumblers |
| Brand Name | CS COSDDI |
| Capacity | 12 ounces |
| Color | 2A-green |
| Customer Reviews | 4.4 4.4 out of 5 stars (11,504) |
| Included Components | Lid, mug |
| Item Dimensions W x H | 6"W x 2"H |
| Item Weight | 9.1 Ounces |
| Manufacture Year | 2025 |
| Manufacturer | CS COSDDI |
| Manufacturer Part Number | US-CS-COSDDI-007-G |
| Material Features | Insulated |
| Material Type | Stainless Steel |
| Material Type Free | BPA Free |
| Model Number | CS20210107 |
| Number of Items | 10 |
| Occasion | Back To School, Birthday, Father's Day, Friendship Day, Mother's Day |
| Other Special Features of the Product | Double Wall, Leak Proof, Rust Resistant, Spill Proof, Vacuum Insulated |
| Pattern | Solid |
| Product Care Instructions | Hand Wash Only |
| Product Style | Modern |
| Recommended Uses For Product | Bathroom, Home,Travel,Indoor,Outdoor, Sublimation, Travel |
| Reusability | Reusable |
| Shape | Round |
| Size | 1 Count (Pack of 1) |
| Specific Uses For Product | Cold Drinks, Hot Drinks |
| Theme | Alphabet, Travel |
| UPC | 779303761207 |
| Unit Count | 1.0 Count |
R**Y
Quality cup that will last you! Great for the price
This cup has been my go-to cup for the past year and a half for coffee. It keeps my coffee hot (when sealed shut) and is very portable since it's on the smaller side. I'm surprised that the metal hasn't been dented or the paint hasn't been scuffed, either. It's easy to use when driving, too. This is an example of a cheap product that certainly isn't cheap by any means! The only thing I will say is that the little piece of rubber that's used to seal the cup shut (the one that blocks the small air hole on the lid) is finally starting to be soft. I noticed it was rubbing off when I was washing it. However, with how cheap this thing is and how long it took to get to this state, I'm completely okay with that.
F**I
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.
D**K
It’s amazing 🩶
The thermal mug keeps drinks hot for a very long time. It is very convenient, beautiful, and practical. However, please note that it cannot be washed in the dishwasher — it should only be washed by hand. I have already ordered three mugs. One of them did not close very tightly, but I requested a replacement and everything arrived perfectly. Thank you, I highly recommend it.❤️
A**R
Hits all of my must haves, except it's a little too big for my small hands
I love everything about it, but it's just a tiny bit too big for me to be able to comfortable hold it in my hand while on the go. No problem to just pick it up and drink it and put it right back down. But if I was walking around with it, I get worried about my grip. I'm 5' 2" and have small but chunky fingers. I had a similar product that fit perfectly in the past, and hoped this one had similar circumference. Otherwise, it's great. My coffee stays warm, it is easy to pour into, close up, and wash. It stays sealed and does not leak. It's a great product for it's price range and would be perfect for the vast majority of people out there.
N**I
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.
B**6
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.
M**A
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.
S**T
Great tea/coffee cup
Update: I’ve only had this cup for a short time and haven’t even dropped it or anything but the plastic around the rim cracked. Not sure if I can return or get a replacement but definitely disappointed. I did like this cup a lot but the plastic cracking takes off 2 stars Love this Cup! It’s a perfect size. I was really excited about it being leak proof so I turned it upside down and it instantly spilled BUT that was my fault. I didn’t realize the mouth piece has 2 clicks. One for just gently closing it to keep the heat in while drinking and one to actually lock it. One I figured that out 10/10. Keeps my tea hot and no bad taste. Color is so cute. Exactly like picture
A**R
This coffee thermos is great. Not only does it look nice, but it keeps coffee hot, and is easy to clean. It’s pricey, but worth it in my opinion.
Y**S
Tien chaud longtemps
P**3
Parfait pour le chaud ou le froid, n’a pas coulé jusqu’à maintenant et parfait pour la voiture rentre bien dans le porte-verre, les autres verres ou tasses que j’ai eu avant ne rentrait pas !!!
E**A
Genial, guarda el calor por mucho tiempo su diseño permite q no se derrame el contenido
M**Z
Excelente calidad de Vaso, no se derrama, permanece caliente durante mucho tiempo, también lo útil es la base anti-derrapante.
Trustpilot
1 week ago
1 month ago