PROTECTIVE GEAR SET- 2pcs knee pad, 2pcs elbow pad, 2pcs wrist pad, Size: S, suggest for 3-8 years old.(Please check our size chart in the detail picture) IMPACT RESISTANCE- Our protection layers consist of anti-scratch extra hard PP shell for hard protection, padded with soft EVA material for impact buffering. Our protection gears allow our children to play have fun while they are well protected. COMFORTABLE BREATHABLEThe protective gear set has breathable liner fabrics and ventilation polyester. You can enjoy sports experiences with your knee, elbow pads and wrist guards safe without any fears or worries on skateboard, roller skate and snowboard. ELASTIC VELCRO STRAPS- Each pad features elastic velcros on the top and the bottom which make them very comfortable and stable to put on. Moreover, the kids bike pads would make a bit compression to the body for the safety reason, the reasonable could allow the body to hold the right position while riding and do not wiggle around. MULTIFUNCTIONAL PROTECTIVE GEAR- The knee elbow pads with wrist guards are designed for Outdoor activities sports saftey protection especially for ice and roller cycling skating, Skateboard Hoverboard, biking, cycling, skating, BMX, and other extreme sports.