Product Description Made of high quality 304 stainless steel. CS COSDD 12 oz Coffee mug made of high quality 304 stainless steel. Adopt one-piece molding technology, not easy side leakage and damage. Spill proof Travel Mug with Leakproof Lid 12 oz Tumbler Lid with 180 degree flip double buckle,so that it won't touch your nose. Leak-proof design prevents the drinks from spilling. Air vent on the mouth piece ,allows beverages to flow out smoothly, without gushing or overflowing. Anti-slip Rubber Cushion Non-slip protection pad The bottom of the travel cup is designed with a non-slip protection pad, you can avoid noise in the office or other places where quietness is required. CS COSDDI Coffee Travel Mug Double wall Vacuum insulated technology for maximum temperature retention Leak-proof when lid is in closed position and assembled properly Easy to carry, wonderfully suitlable for most of situation 304 Stainless steel 380ml/12oz Mini Size Coffee Mugs Inside sealed silicone ring 360° leakproof Stylish Matte Finish Comfortable to grip Easy to carry, wonderfully suitlable for most of situation 12oz Mini Size The height of 12oz Travel Coffee Mug is suitable for most coffee machines. Our travel mug can keep warm and cold for up to 4-6 hours, whether it is summer or winter, it can maintain the long-lasting of your drink, allowing you to have a wonderful experience. Functional Style, Perfect Size The lid of this cup has a protruding part so it is easy to find the hole without looking when driving. A good ideal for indoor and outdoor use, such as home, travel and car. 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.