This stylish double-wall stainless steel tumbler has a durable powder-coated exterior for a soft grip and matte finish, and features a screw-on stainless steel lid with a black spill-resistant, flip-top sipping area. Vacuum-insulated with copper lining, the Kauai tumbler can be used for hot and cold beverages, keeping drinks hot for up to 12 hours and cold for up to 24 hours. CA Prop 65 compliant. BPA free.