This 20 ounce insulated tumbler with the University of Kansas Jayhawk laser engraved on it is an Officially Licensed Product. Enjoy your coffee and hot chocolate for hours in this quality tumbler.  20 oz. Stainless Steel Polar Camel Travel Mugs feature double-wall, vacuum insulation with a clear, slider lid. They are 2X heat and cold resistant compared to other tumblers. Polar Camels are made from 18/8 gaugestainless steel (18% chromium/8% nickel) also known as type 304 Food Grade