The Neoprene Stretch Buttstock Rifle Cartridge Holder is made from Mossy Oak Break-Up Country 3mm stretch Neoprene and Nylon, this shell holder adjusts to fit most guns with its hook and loop closures. Provides a slip proof grip surface that also protects the gun's surface and includes special slits for sling swivel studs. Product Features Mossy Oak Break-Up Country Camo 3mm Stretch Neoprene and Nylon Fits Most Guns Slip Proof Grip Surface