Made from Biothane polyurethane material, the Posey Biothane ankle and wrist restraint cuffs help reduce the transmission of blood-borne pathogens of concern. Super high-strength Biothane is strong and durable and meets ASTM standards for resistance to viral penetration. Resists mildew, fungus, bacteria and is waterproof. Can be disinfected using standard CDC-approved intermediate level disinfectant. Locking cuffs may be attached using connecting straps (sold separately). Two Universal Posey Keys included. One pair per package.