These cooling tendon wraps are great for post workouts to aid in recovery of strained muscles and joints. The hyper-evaporative PVA material along with a sponge-like inner layer works to absorb and retain water for an extended period of cooling compared to other brands. This absorbed water works to remove heat from the body through evaporation, providing the horse a cooling sensation. Keep in an cooler of ice water or spray with a cold hose and easily apply with the "Quick Grip" closures. Also great for trailering on hot days! Sold as a pair.Always consult a veterinarian for professional advice regarding your horse's health; this product is making no medical claims.