This travel tumbler features stainless steel outer & inner walls and is copper-lined. It is double-wall vacuum insulated and keeps your drinks hot or cold for hours (keeps cold up to 18 hours and keeps hot more than 8 hours). Sweat-resistant, BPA free and includes a spill-resistant slide lid with rubber gasket. Ships assembled. Hand wash recommended. Additional imprint options include 6"x9 1/2" full color digital full wrap, 2 1/2"x9 3/4" screen printed wrap, or 3 1/2"x1 3/4" laser engraved. 6 5/8" H x 3 1/2" Diameter