These 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 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, SKU: CASY2109