Beer Bottle Foam Sleeve - 4-Pack Neoprene Zipper Beer Bottle Insulated Cover Sleeve, Zip Up Bottle Jackets, Fits 12-Ounce Bottles, 4 Assorted Colors Set of 4 bright assorted covers to easily distinguish your drink from others Premium extra neoprene has amazing insulation that keeps your drink cold and your hands dry Best drink accessory for any outdoor activity such as; fishing, BBQ, hanging at the lake, pool or concert, beach & more. It will keep your beer bottle cold for many hours. Cover insulators are machine washable Fits most 12 oz beer bottles and longneck beer bottles