Knee Supporter, Supervised by Experts Color: Black Size: XL For both left and right knees Free shipping, anonymous delivery I went to the hospital after purchasing this, and was told that I shouldn't use a supporter for my condition, so I can't use it. Used twice. The part with the Velcro has become matted, please check the images. The Velcro is very strong, so the matted area has formed, but it doesn't affect use. Knee Supporter, Knee-Specific [Supervised by Experts] Sports Running Popular Injury Prevention Black (For both left and right knees, XL size, 1 piece) S28-24 0022