Made of Plastic, Nylon, Spong * Fit for Wrist Girth : 10-15cm / 4"-6";Elbow Protector Size(Approx) : 11.5 x 12cm / 4.5" x 4.7" (L * W);Fit for Elbow Girth : 20-25cm / 8"-10" * Wrist Protector Size(Open) : 13 x 9cm / 5.1" x 3.5" (L * W );Fit for Knee Girth : 27-32cm / 10.6"-12.6" * Total Weight:180g * Package Includes:1 pair knee pads 1 pair elbow pads 1 pair wrist pads