Multi-sports safety protection [Upgrade version]: Children/youth knee pads are lightweight and breathable, knee pads and elbow pads are specially designed for children's sports safety protection, especially suitable for ice and roller skating, skateboard hoverboard, bicycle, ATV, skating, rolling, Extreme sports such as cycling and BMX Professional and comfortable: adjustable elastic fastening straps can be firmly fitted to various knee circumferences. Thickened design, play a good protective role in sports, soft EVA knee pads with plastic panels, comfortable and durable Gifts for boys/girls/children: as the best choice for childrens day, birthday, Christmas and other gifts. Suitable for any girl, toddler, boy, this is a good gift as a gift for children Children/youth knee pads set: 2 knee pads, 2 elbow pads, 2 wrist pads, size: S is recommended for 5-8 years old. M, recommended for children aged 9-12 years old, multiple adjustable elastic straps and buckles to close, can firmly fit all kinds of knee circumferences. (Please check our size chart in the detailed picture) For the sake of safety, the cushion will put a certain pressure on the body. Reasonable pressure can keep the body in the correct posture when riding bicycles, skateboards, roller skating and other sports equipment, as well as other outdoor sports such as volleyball and basketball.