1. Advantage: Multi-adjustable elastic shoulder straps, closures, guaranteed to fit different knee girths.2. Use: Helmet protective gear set for riding bikes / inline skating / motorcycle / skateboard / roller blading / riding a scooter / bicycle and many other outdoor sports.3. Material: High-density EPS padding for comfort and cooling, the inside of the helmet is shock-absorbent due to its soft padding, prevent kid from getting injured.4. 7 in 1 set: one helmet, two wrist guards, two elbow pads and two knee pads. The helmet and pads will ensure your kids are in all-round safety protection while doing outdoor sports. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it