Take an instant vacation and enjoy a frozen cocktail with the Glass Margarita FREEZE™ Cooling Cup. For frozen concoctions, freeze the HOST® Glass Margarita FREEZE™ Cooling Cups for at least two hours to keep your drink between forty-three and fifty-three degrees Fahrenheit. Each cup is constructed with an insulated silicone band for comfortable handling.The set includes 2 HOST® Glass Margarita FREEZE™ Cooling Cups, which hold 12 oz.Hand wash only.For the best results, freeze upside down.