Endurance sponges are durable sponges enclosed in a nylon mesh bag with a long cord and a swivel clip to attach the cord to a saddle ring designed to dampen your horse during those long trail rides or competition. The rope is long enough to release the sponge directly into a stream while stopping for the horses to drink. Sponge quickly absorbs water allowing you to gently press it on your horses' head and neck to cool it down. Measurement 7 to 8