Ships from Hong Kong. The knee pads are designed to offer the athlete super-strong and lightweight protection for the whole leg and knee. The protection gears are great for a variety of activities including running, walking, tennis, traveling, marathons, working out, and more. These are able to be used before, during, and after exercise. Breathable material retains heat and speeds up recovery period. Effectively relieves post-operative knee pain, strains, and arthritis. Full elasticated body hugs the legs. A pair. Length: 40cm. Circumference: 45-60cm.