PERFECT FOR ALL WINES With this set of stemless wine glasses, it is possible to achieve the ideal serving temperature for any wine. Each wine glass retains the temperature of the wine better than a regular wine glass .INSULATED WALLS filled with special cooling gel work as a wine cooler when frozen. Pop a glass in the zer for white wines or chill in the refrigerator to keep red wines at cellar temperature BPA-FREE PLASTIC construction is sturdy and perfectly suitable for outdoor use. An insulated silicone band ensures comfortable use and ensures this stemless wine glass set will be your favorite wine accessory SERVE YOUR WINE AT THE RIGHT TEMPERATURE Generally, white wines should be served chilled at 43 to 53 degrees Fahrenheit and red wines should be served slightly cooler than room temperature, around 58 to 60 degrees INNOVATIVE WINE GIFTS FOR WOMEN These wine GLASSES are perfect for any occasion or group event and make a great gift for wine lovers or moms on Mother's Day