The To Go Cup is an attractive and practical solution for thirst – whether you're on the go, on vacation, or at the gym. The double-walled sides with vacuum effect keep the contents cold for up to 12 hours and warm for up to 6 hours. The body of the cup is made from 90 percent post-consumer recycled stainless steel and features a convenient carrying strap and a 100 percent leak-proof lid that prevents spills. The click lid can be operated with one hand. Dishwasher safe. The product comes with a 5-year warranty against manufacturing defects.