The Sherpa Vacuum Insulated Tumbler is the perfect way to keep your beverages hot or cold for hours. Whether you're enjoying a hot cup of coffee on a cold morning or a refreshing iced tea on a hot afternoon, the Sherpa will keep your drinks at the perfect temperature. The double-wall construction features an 18/8 grade Stainless Steel inner wall and a Stainless Steel outer wall, which helps to insulate your drinks and prevent heat transfer. The clear, press-on lid with slide closure helps to keep your drinks secure and prevent spills.