?Premium Material - The travel coffee mug,stainless steel coffee cup is made of high quality grade 304 stainless steel,rust-proof, leak-proof, The lid was made of food-grade silicone, BPA free, guaranteed high durability. ?Leakproof Design - The coffee mug uses a screw-on lid design to make sure leakproof when turn over or shaking if the lid latched.Air Vent on the lid allows beverages to flow out smoothly, without gushing or overflowing. ?Perfect Capacity - 500ml capacity, small and beautiful, Flip lid opens and locks easily,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; In order to avoid overflow, do not fill water with a temperature higher than 100 degrees, and do not fill water that is too full; ? MuHadJiya coffee mug. The high quality coffee mugt that matches the picture.