Now with precision laser engraving that will make your logo look amazing, our stylish double-wall stainless steel Glamping mug has a durable powder-coated exterior for a soft grip and matte finish, and features a clear plastic sip-top lid. Vacuum-insulated, the Glamping mug can be used for hot and cold beverages, keeping drinks hot for up to 8 hours and cold for up to 16 hours. CA Prop 65 compliant. BPA free.