The Gel Pad Silicone is perfect to place under the saddle to prevent the saddle and saddle pad from slipping. It provides slight shock absorption and adds hardly any bulk under the saddle. The gel pad is anatomically shaped for the horse's comfort and is perforated to allow airflow and keep your horse cool. It is made from non-toxic gel that is easy to clean. The gel pad comes in one size and is transparent in color.