Trigger style travel mug is designed to fit most car cup holders for your daily commute. Double-wall vacuum insulation keeps your drinks hot for up to 9 hours, cold for up to 12 hours, and ice-cold for up to 12 hours. 40 hours Tough and Durable: Unlike regular mugs, it's made from 18/8 stainless steel, which means it can withstand knocks. Everything is made from BPA-free materials so your drinks are safe to drink. This trigger-type lid makes this travel thermos spill-proof and easy to use with one hand. The lid is designed with a button to open the spout on the top. You can put it in your work bag and don't worry. This bottle is crafted with a wide glass opening, making hand washing a breeze. All components are also dishwasher safe, making cleaning easy for office workers and women