2Pcs Adults Children Kids Sport Knee Pads Baby Crawling Safety Knee Support Gym Fitness Crossfit Tennis Volleyball Dance Kneepad Description: 1.Good air permeability, soft, comfortable to wear. 2.For the prevention or treatment of knee injuries, patients with chronic arthritis, provide good warmth, support, prevention and rehabilitation results. 3.For rehabilitation, running, lifting weights and often make knee under excessive pressure activity. Features: Lightweight and soft to wear Breathe Freely, portable to carry Protect children's knees in dancing,scrawling,skiing,etc. Flexible, one size can meet many people,it's also can be an elbow support for adult! Material: Cotton, Rubber Size: XS: Knee Circumference 18-27cm S:Knee Circumference 21-33cm M: Knee Circumference 24-35cm L: Knee Circumference 26-37cm XL: Knee Circumference 28-40cm Suggestion: XS -Fit for about 3 years old kids S-Fit for 3-5 years old kids M-Fit for 5-8 years old kids L-Fit for 8-13 years old kids XL-Fit for Adults Women Size S has no hole in the back,pls notice! Color: 5 colors Package included:1 Pair Knee Pads (2Pieces)