Product material: PE 30%. Polyester 40%. Velvet 10%. Rubber band 15% Other 5%<br> Product weight: about 200g<br> Product size: S size<br> Suitable weight: 15kg-35kg<br> Suitable age: 2-8 years old<br> Product features: good shell hardness, moderate sponge thickness, light weight, good shape retention, good breathability, pressure resistance and collision resistance, can effectively protect athletes.<br> Applicable: skateboarding, roller skating, roller skating, balance car and other outdoor activities<br> Product includes: (6 in 1) knee pads X2, wrist guards X2, hand guards X2<br> Color: purple rose red/blue black/black green (three optional)<br> Strong protection<br> High hardness PE shell anti-collision, thickened soft sponge lining conforms to the ergonomic design of the knee, and provides anti-collision protection for the knees and elbows of boys and girls.<br> Strong protection<br> High hardness PE shell anti-collision, thickened soft sponge lining conforms to the ergonomic design of the knee, and provides anti-collision protection for the knees and elbows of boys and girls.<br> Professional, soft and comfortable<br> High-quality skin-friendly and breathable fabric makes the children's knee pads soft and smooth to the touch. Even with direct contact with the skin, your child can wear it comfortably for hours.<br> Adjustable size to fit<br> Adjustable shoulder straps ensure free movement during exercise, allowing your child to enjoy the sports experience freely. Suitable for boys and girls aged 2-8 years old.