These White Oxygen Barrier Bottle Caps are a necessity that is needed for all beer bottles. These crimped edge beer caps are used to top off your bottle and reduce oxidation to keep your brewed beer tasting the way it should. These crown caps have double secure sealing lips and are applicable for breweries or homemade brews. These caps are perfect for sealing up your unfinished drink keeping them fresh for longer. This product is sold in packs of 144.