18/8 Stainless Thermal Insulated Mug - Double Wall - 27oz. Capacity - Stainless 18/8 Stainless Construction Thermal Mug with Lid. Keep your 27oz. of liquid secure, hot or cold. 18/8 Stainless Steel Inside & Out, Foam Insulation between the Double Wall body. Press on Lid with Large Drink Rim, Solid Secure & Sealable with a 1/8 twist turn, & Silicone Gasket Seal. BPA Free For Hot or Cold Beverage Insulation. Enjoy 4 hrs. Cool / 2 hrs. Warm. Hand Wash Recommended. (dishwasher temperatures & abrasiveness vary) Not for microwave or freeezer use.