COMPONENTS--- Adult knee pad is composed of nylon, high-stretch latex wire and Non-deformable EVA sponge (High quality and safe material). Packing/color: one pair/black.FITTING SIZE--- Our knee Sleeves fit for 15"-21" thigh circumference, pls measuring on 4" above your knee as picture shows. Tested to fit weight between 88 - 200 lb.ADVANTAGES--- Use non-deformable sponge and special 3D woven fabric technology, which is more comfortable and durable to wear. It wraps the knees well but does not produce tightness.WIDELY USED---The Knee pads are great for Dance, Football, Volleyball, Basketball, Cycling, Skiing, Snowboarding, Badminton, Wrestling, Hockey, Snowboard, can also be used as a protector when doing a housework or trimming the garden.PROFESSIONAL SERVICE---If there is any quality issue, please let us know by email, we will respond to your email within 24 hours.