These jersey bottle holders are constructed from 3mm Neoprene "Wetsuit" rubber, and will hold a longneck bottle. They are designed to keep your favorite beverage COLD.. and your hands WARM! The neoprene construction makes it easy to remove the bottle from the holder - no pliers needed. It ’??¦’???§s stretchable, washable and foldable. Made by Kolder. Made By KOLDER