Keep your drink properly chilled, without watering it down, in the Glass Whiskey FREEZE™ Cooling Cup. After just 2 hours in the freezer, HOST®'s proprietary cooling gel will keep your favorite spirit cooled for hours, while subduing the overpowering flavor most common in cask strength whiskey. • For a smart cocktail anytime, freeze HOST® Glass Whiskey FREEZE™ Cooling Cups for at least two hours to keep your drink between forty-three and fifty-three degrees Fahrenheit. • Whether you`re in the mood for on the rocks, an old fashioned, or something sour, keep HOST® Glass Whiskey FREEZE™ Cooling Cups in the freezer so they are ready to go when you are. • Inside the glass walls of HOST® Glass Whiskey FREEZE™ Cooling Cups lies our proprietary cooling gel. This gel was precisely engineered in house to keep any beverage the perfect temperature for hours. • Each cup is constructed with an insulated silicone band for comfortable handling. • The set includes two HOST® Glass Whiskey FREEZE™ Cooling Cups. Each cup can comfortably accommodate 9 ounces. • Hand wash only. • For the best results, place the Glass Whiskey FREEZE™ upside down in the freezer for 2 hours to allow the gel to evenly spread and freeze.