Travel Thermal Coffee Mug with Plastic Liner - Insulated Double Wall - 16oz. Capacity Solid Stainless Outer Construction Thermal Mug with Lid. Enjoy Thermos-Like Insulation for you Beverage. Double Wall body. Plastic Inner Liner, Base, Lid, & Handle. Press Fit Lid, Sealable Rotating Sip Tab, & Silicone Gasket Seal. BPA Free Hand wash. (dishwasher temperatures & abrasiveness vary) Not for microwave or freeezer use.