Increases blood flow while reducing inflammation and soreness! A well fitting boot for help in treating laminitis navicular and other hoof related issues. Not for use during exercise and should only be used for short intervals. Start with only 15-20 minutes and gradually increase time. Not for use for longer than 8 hours. 4 large squares of unipolar magnets placed between the layers in each boot for maximum effectiveness. The unipolar magnets measure 1100 GAUSS which is low to medium penetration. Adjusts to fit with “quick grip” closure. Sold in pairs.