[ Healthy Material ]: Travel coffee mug is made of high quality grade 316 stainless steel that taste-free, rust-proof, leak-proof. The lid is made of food-grade silicone, BPA free, guaranteed high durability. Keep your coffee or drink 6 hours hot and cold.[ Perfect Capacity ]: 14oz capacity, easy to grab and go, also fits for most car cup holders and coffee makers.[ Leak Proof ]: Insulated coffee mug with lid comes with an airtight silicone seal that prevents the drinks from spilling, which is easy to be carried in your bag or car with peace of mind.Pls always keep the silicone seal is not twisted to prevent leaks.[ Wide Application ]: This to go coffee mug fits most car cup holders. Take our reusable insulated stainless mug, enjoy your coffee at home, office, outdoors, sports, travelling, camping and driving. You can hold it comfortably or put it in your backpack or car cup holder.[ Easy to Clean ]: The large cup opening of spill proof coffee tumbler makes easy to clean the reusable coffee cup and ensures it stay fresh. HAND WASH ONLY.