Product Description: These FREEZE Collection Wine Cooling Cups by HOST are perfect for all wines. Just place one in the refrigerator to cool your reds to the perfect cellar temperature or store in the freezer to chill your whites. HOST's proprietary cooling gel is precisely engineered to keep your beverage perfectly cold for hours. For red wine, refrigerate HOST Wine FREEZE Cooling Cups for at least two hours to keep your drink between 58 and 60 degrees Fahrenheit. For white wine, freeze HOST Wine FREEZE Cooling Cups for at least two hours to keep your drink between 43 and 53 degrees Fahrenheit. Inside the BPA free plastic walls of the HOST Wine FREEZE Cooling Cups lies our proprietary cooling gel. This gel was precisely engineered in house to provide the perfect temperature for white and red wines for hours. Each glass is constructed with an insulated silicone band with a colorful unicorn horn motif. Hand wash only. PLEASE NOTE: Made from BPA-free plastic. Sold individually.