Host Freeze, Frozen Mugs, Freezable Pint Set, Beer Keep Your Drinks Cold, Double Walled Insulated Glasses, Tumbler for Iced Coffee, 16oz, Set of 2, Black

INSULATED WALLS FILLED WITH PROPRIETARY COOLING GEL work as a beer chiller when frozen. Pop in the freezer for two hours to keep your beverage between forty-three and fifty-three degrees Fahrenheit.