Adjustable size: Children's skate protection, size S, suitable for children aged 5 to 14. Protective knee pads size M suitable for children from 6 to 16 years old. Children's roller protector sets have adjustable Velcro straps which can ensure freedom of movement when children are playing sports. Child protector sets: including 2 x elbow pads, 2 x knee pads, 2 x wrist pads, 1you can put all the pads in a bag, convenient to carry anywhere .Our children's protective gears are designed for bicycle, cycling, skating, skateboarding, scooter, roller skating, etc. High quality material: child roller protection- soft EVA padded material with hard plastic panels, soft velor fabric cushion inside. Thanks to these durable materials with breathable lining the knee pads, elbow pads and wrist guards for children can effectively against external pressure. Safety and comfortable: Roller skateboard protection is safety and professional with adjustable elastic straps and long velcro straps for optimal security. The thickening design provides good protection during sports. Ideal Gift: Kids knee pads high standards of product quality control and unique shape design. It is an ideal gift for children, especially on their birthdays or major holidays such as Christmas etc.