BELL brand protector set, perfect for skateboarding and rollerblading. - Brand: BELL - Item Type: Protector Set - Intended Use: Skateboarding, Rollerblading - Protector Types: Knees, Elbows, Wrists - Materials: Nylon, Plastic - Size: One Size Fits All Thank you for viewing. I am selling this because I no longer use it. There is some fraying on the rubber parts, but it can be used without any problems. Please refrain from purchasing if you are concerned about minor imperfections.