BXT Kids Children Boys Girls Stretchy Cotton Knee Pads Sports Padded Knee Sleeves Dancing Knee Protective Brace Support Strap Wrap Band for Basketball, Volleyball, Football, Skating Sports Material: Cotton+sponge It's a thinner profile pad and like turtle shells on knees to protect your kids knees from cold, heat, decrease the pressure by thick sponge S:for 3-8years old kids /Up thighs:7.5-10.2inches / Down:6.7-9.4inches; L:for 8-15years old kids /Up thighs:10.6-13inches / Down:9.85-12.2inches Elastic fabric,has great coverage and not easy to slip; Hole on the back, easy to move and bend the knees Condition: 100% Brand new and high quality. NOTE: There are two different designs for each pair knee cap( Bear pattern or Heart Baby pattern),we will dispatch them randomly.Thank you very much for your understanding!