Trudeau's Endure Tumbler is a sleek and sophisticated way to keep drinks warm when on the go or at the office. The mug features Trudeau's Trulock technology to prevent it from leaking. 360 degree lid lets you drink anywhere on the rim. Stainless steel double-wall, vacuum insulation ensures 4 hours hot / 12 hours cold. 16oz capacity. Handwash only. 5 year warranty.