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