These wine glass sleeves are made of quality neoprene material, and they maintain the temperature of the beverage in the wine glass. The material is soft and comfortable to hold, is stretchable, and washable. These wine glass sleeves can be printed with exquisite patterns, and make lovely and delicate gifts for your friends, family, colleagues, neighbors and relatives on birthdays, anniversaries, holidays, graduation seasons, and other important occasions. (2 per pair).