These bottle holders are constructed from 3mm Neoprene Wetsuit rubber and will hold a longneck bottle. They are designed to keep your favourite beverage COLD... and your hands WARM! The full glued-in bottom means your beer won t drip on you! The neoprene construction & the zipper makes it easy to remove the bottle from the holder - no pliers needed. It s stretchable washable and foldable. Made by Kolder.