The 20 Oz. vacuum sealed camper mug tumbler with powdered finish is made with double wall stainless steel and copper lining. Keeps drink hot up to 8 hours and cold up to 12 hours. BPA-free. Hand wash only. Not microwave safe. This item comes with a 1 color/1 location screen print decoration. Available also in laser engraved and full-color print, additional run charges apply. Must order in increments of 36.