100 percent waterproof design. Oversized to accommodate a cased rifle or shotgun. All seams are electronically welded to prohibit water from entering the case. Waterproof vinyl Laminated. Rolled end with heavy duty plastic buckle. 100% waterproof design. Oversized to accommodate a cased rifle or shotgun. All seams are electronically welded to prohibit water from entering the case. Waterproof vinyl laminated to 600D polyester for strength. Rolled end with heavy duty plastic buckle.