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