CS COSDDI 12 oz Coffee Mug – Stainless Steel Coffee Cup with Leakproof Lid

Price: $9.99 - $8.49
(as of Oct 25, 2026 11:29:31 UTC – Details)

From the brand

CS COSDDI Brand Story

It represents the brand’s love and pursuit of coffee culture, style and discovery.

Coffee Travel Mug

Coffee Travel Mug

Coffee Travel Mug

Coffee Travel Mug

Coffee Travel Mug

Classic Style 12oz coffee mug

Upgrade 12oz coffee mug

Can this travel mug be used for both hot and cold drinks?

Yes, the CS COSDDI 12oz Travel Mug is designed for both hot and cold drinks. The double-walled stainless steel construction keeps beverages at their original temperature for up to 6 hours—whether hot coffee or cold water.

Is the travel mug easy to grip?

Yes, the CS COSDDI 12oz Travel Mug is very easy to grip. It features a silicone cover on the body that provides a comfortable, non-slip grip, and reviewers specifically mention it has an ergonomic design that’s easy to hold.

Why you might like this?

Perfect for Your Active Lifestyle: Keeps drinks at ideal temperature for 6 hours, whether you’re sipping hot coffee during your commute or cold water at the gym

Hassle Convenience: One-handed operation with flip-top lid and fits perfectly in car cup holders and under Keurig machines

Portability: Truly leakproof design means you can toss it in your bag without spills, plus the comfortable silicone grip makes it easy to hold

Design Details: Non-slip rubber bottom protects furniture, easy-clean removable lid, and at just 0.57 pounds, it’s lightweight even when full

Does the lid have a straw hole?

Yes! The CS COSDDI 12oz Travel Mug lid has a straw hole design. You can drink straight from the cup or use a thin straw, making it versatile for different drinking preferences.

Compared to similar mugs?

The CS COSDDI 12oz coffee cup offers exceptional value with its one-handed operation, flip-top lid with straw hole, non-slip base, leak-proof design, suitability for both hot and cold beverages, and impressive 6-hour heat retention.

Healthy Material – The Vacuum double wall was made of high quality grade 304 stainless steel that completely taste-free, rust-proof, leak-proof, The lid was made of food-grade silicone, BPA free, guaranteed high durability.
Leakproof Design – The coffee mug lid comes with an airtight silicone seal that prevents the drinks from spilling. Air Vent on the lid allows beverages to flow out smoothly, without gushing or overflowing.The rubber design at the bottom prevents the cup from slipping or tipping.
Perfect Capacity – 12oz capacity, small and beautiful, easy to carry,Narrow body design makes it easy to grab and go, also fits most car cup holders and coffee makers.
Easy to Carry – Enjoy your coffee easily wherever you go. Suitable for use indoor&outdoor, such as home, parties, travel, school, riding,and office time.
Use Notes – The coffee cup buckle can be closed tightly after two “clicks”,Hand wash only, the dishwasher is not recommended.cannot put in the microwave.
Customers like the coffee mug’s size, appearance, and functionality, noting it keeps coffee hot and fits perfectly in car cup holders. The lid functionality and durability receive mixed reviews – while some say it seals tightly and lasts a long time, others report it doesn’t close properly and breaks easily. The leak-proof feature also gets mixed feedback, with some reporting no spills while others experience leaks.

Prices and availability are accurate as of October 25, 2026. Products may have different prices on Amazon.