Strong Protection Gear: Our protection layers consist of anti-scratch extra hard PVC shell for hard protection, padded with soft EVA material for impact buffering. Our protection gears allow your children to play hard while they are well protected. Adjustable Size: S size suitable for 33 and 88 lbs(15- 40kg) children. Protective gear set teen suit for 3-10 years old kids, The adjustable straps ensure freedom of movement when doing sports.Please check our size chart in the detail page carefully. Material Composition: PVC and EVA Professional and Comfortable: The thickening desgin will be good protection during sport. Elbow wrist knee pads made up of tough and durable materials with breathable sleeves, which make your kids can enjoy the sports experiences freely. Multiple Usage Scenarios: Our protection gear appropriate for BMX, Rollerblading, Skating, Skateboard, Cycling, Playing scooter and other extreme sports. Helmet Set: Inclue 1 Kids bike helmet, 2 knee pads, 2 elbow pads and 2 wrist pads will bring child all-round protection. Attention: After receiving helmet set, please check them first. If have any questions about the product or operation, please contact us, we would deal with it in 24 hour and provide good solutions.