PERFECT TRAVEL MUG: This trigger-style travel cup 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 iced for up to 40 hours. DURABLE AND SUSTAINABLE: Unlike ordinary mugs, it's made of 18/8 stainless steel, meaning it can take a beating. Everything is made of BPA-free materials so your drinks are safe to drink. LEAK-PROOF LID: 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 top. You can put it in your work bag and not worry. EASY TO CLEAN DESIGN: This bottle is made with a wide mouth opening, making hand washing a breeze. All components are also dishwasher safe, making cleaning easy for office workers and women.