Material: Non – metallic construction of opaque PVC tubesection (white or gray specify when ordering), end stoppers, handles and release mechanism. Stainless steel push rod return spring, cable clamps and fasteners. End stopper closure band of latex tubing. Nylon monofilament lanyards. End Closure: Stoppers with spherical section sealing surfaces held firmly against O-ring seals by internal latex tubing. Sizes: 2.2 liter capacity horizontal bottle 20.0 m (66 FT) nylon cord and reel, carrying case, and messenger.