JBM Protective Gear for Wrist elbow knee. We are professional on Sport Equipment set. Item specifics Age: adult Color: Black Material: Polyester, PP plastic and PE foam Size:Adults: Elbow (min 9.5′ max 13.5′) Knee (min 12.5′ max 17′)Youth / Child: Elbow (min 6′ max 9′) Knee (min 8′ max 15′) Suitable Sport: Skateboard Skateboarding Roller Rollerblade Bicycle Ride Bike Cycling BMX bike Outdoor activities Other extreme sports Suitable User: Professional / amateur athlete Unisex Package: 1 Pair of Elbow pad 1 Pair of Knee pad 1 Pair of Wrist pad Warranty: 1 year warranty! Fully safety equipment set can relieve your injury, You can easily go to exorcise. Explore your extreme talent. JBM is a registered brand. We are authorized seller.