I used this a few times when my daughter, who was in junior high school, had knee pain from over-exercising. It's the type that fastens with Velcro. There's some pilling in places, but it's still usable. A black M-sized supporter made of stretchy fabric. Set of 2 - Size: M - Color: Black - Material: Stretchy fabric - Country of Manufacture: China - Design: With support straps Thank you for looking.