Our 20oz travel tumbler is suitable for any indoor or outdoor places. Fit for enjoying drinks at home, on the beach, by the lake, at the pool, in the office, at the party, during RV tours, cabin trip, camping, hiking, picnic and so on. 1. High Quality Material: Especially made from 18 or 8 food grade stainless steel, the insulated tumbler is durable, easy wash and unbreakable. 2. Double Wall Vacuum Insulation: The travel tumbler has the double wall vacuum insulated design, which can keep your drinks like coffee hot for 3 hours or cold like beer or juice for 9 hours. This cup can company with you from spring to winter. It can be an ideal gift for men whether in summer or winter. 3. Splash Proof Lid: The travel tumbler comes with a sliding lid for spill-proof to help you stay neat. The wide mouth opening allows easily washing and quick filling. 4. Convenient for Outdoor: Its sweat-proof design can keep the travel tumbler surface dry all the time. With a 20oz capacity and easy-to-clean design, make it more convenient for you to use. The narrow base fits any car cup holder, keeping it right by your side. 5. Various Occasions: This 20oz stainless steel tumbler with lid are suitable for drinking tea, coffee, and water and so on. Great for outdoor adventure, road trips, sports event, also the perfect travel cup to bring coffee from home to work.