18/8 Stainless Steel Thermal Insulated Tumbler - Double Wall - 16oz. Capacity - Black Thermal Tumbler Travel Companion with Snap Secure Lid. Keep your liquids warm & secure on the go. Color Acrylic Exterior Grip, 18/8 Stainless Steel Inner Lining, Foam Insulation in-between the Double Wall body. Screw On Threaded Lid, Snap Down Secure Closure Drink Lid, & Silicone Gasket Seal. BPA Free For Hot or Cold Beverages. Enjoy 6 hrs. Cool / 3 hrs. Warm. Hand wash. (dishwasher temperatures & abrasiveness vary) Not for microwave or freeezer use.