Padded 1/2 density foam interior bushing for active comfort. Contoured non-slip thermoplastic polyurethane protective cap. Adjustable 1-1/2 elastic elbow straps w/ hook and loop fastener. 1-1/2 Elastic knee straps w/ QR buckle Includes both knee and elbow pads. 600 denier polyester material composition. Full tactical combat joint protection. In the Box 2X Elbow Pads 2X Knee Pads Specifications: California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov