JBM international JBM Kids & Adults Cycling Roller Skating Knee Elbow Wrist Protective Pads-Black/Adjustable Size, Suitable Skateboard, Biking, Mini Bike Riding Other Extreme Sports Suitable for children & Kids. Wrist guard, knee pads and elbow pads included Material : Plastic, Nylon, Sponge The most popular protection for skating and other activities Great for ice and roller skating