Ships from Hong Kong. A single price. Made of OK cloth,SBR, spring, punching cloth, and silicone, this knee sleeve offers sturdiness and stability to your knees with a snug fit and helps to reduce knee pain symptoms and swelling. It helps improve your performance with better muscle support and muscle efficiency, also improves blood circulation, ventilation and reduce the possibility of injury. Perfect for climbing, running, cycling and basketball or other sports. Dimension: one size fits most, be adjustable . Fit for right leg, knee width 34~58cm.