18/8 Stainless Lined Thermal Coffee Tumbler - Double Wall - 16oz. Capacity - Clear Double Wall, Transparent Acrylic Outer Liner, 18/8 Stainless Steel Inner Liner Press Fit Lid with Stainless Drink Rim, Sealable Sliding Tab Closure, & Silicone Gasket Seal. BPA Free For Hot or Cold Beverage Insulation. Enjoy 4 hrs. Cool / 2 hrs. Warm. Hand wash only. (dishwasher temperatures & abrasiveness vary) Not for microwave or freeezer use.