GLASS FREEZE WINE GLASS SET 2Whether red, white, or ros, make the most of your favorite wines with the Glass Wine FREEZE cooling cup. HOST's proprietary cooling gel is precisely engineered to keep your beverage perfectly chilled for hours. For red wine, refrigerate HOST Glass Wine FREEZE Cooling Cups for at least two hours to keep your drink between fifty eight and sixty degrees Fahrenheit For white wine and ros, freeze HOST Glass Wine FREEZE Cooling Cups for at least two hours