This zipper bottle holder is constructed from 3mm Neoprene "Wetsuit" rubber, and will hold a longneck bottle. It is designed to keep your favourite beverage COLD... and your hands WARM! Features a full glued-in bottom so your beverage won't drip on you. The neoprene construction & zipper makes it easy to remove the bottle from the holder. It's stretchable, washable and foldable.