The Dynarex Undercast Padding (80/Case) is available as either 100% Cotton or Polyester, providing a comfortable cast fit for patients. The undercast padding has a light stretch, making it easy to conform around all body contours. The material is soft and keeps cool, and it's recommended that it be used in conjunction with Dynarex Casting Tape. Customers can choose between either cotton or polyester variations, as well as four sizes each.