These 4 reusable "ice cubes" chill your favorite white wine whiere it counts...in the glass! Wine Twirls keep a glass of wine fridge cold for up to 30 minutes longer than otherwise. These are made from FDA-approved food-safe resin and a food-safe high-tech termal gel. Wine Twirls impart no odor or flavor. Store in the freezer and they are ready to go when you are!