This wine glass cooler sleeve is made from top quality neoprene. Perfect for your white or red wine. It comes in a variety of wonderful colors! It keeps the temperature constant in the summer or winter, inside or outside, at the beach, by the campfire, in the hot tub and at the pool. The stretch neoprene feels soft to the touch and is stretchable, hand washable, foldable and reusable to fit most glasses. 3.4" L x 3.4" W