Magnetic Tendon Boots Can be used on both the front or hind legs. Provides the healing effects of magnets to the shims, tendons, splints, suspensory and check ligaments. Made of durable nylon with a soft cotton lining. Elastic straps allow for a perfect fit on any size horse.Matching bell boots pictured are sold separately (see item # PL1-U6)Sold in pairs.Universal size.Manufacturer 30-Day Money Back Guarantee/Six Month warranty or as required by law.