Webril™ Cast Padding Undercast 6 Inch X 4 Yard Cotton NonSterile (10064_CS) 36/CSThis nonsterile Webril undercast padding provides cushioning, moisture control and airflow for comfort. It's suitable for use with either synthetic or plaster casting material. The plaster cast roll will keep its consistency whether it's wet or dry. Its flexible construction allows it to stretch while preventing it from moving around or bunching up. The 6 inch x 4 yard roll of padding is made from 100% purified cotton fibers.