Helps with strains, sprains, instability and patellar tracking in the knee Helps support injured, weak or arthritic knees Interchangeable metal spiral stays on either side help provide flexible support and the open patella design and stitched buttress help give reinforced support to the patella The product is a Universal Size (one size fits most), provides adjustable support, fits the Left or Right knee, is Unisex and is compatible with the Hot & Cold Therapy Disc Two of those, one brand new never used and the other used for two weeks
