PADDING, CAST SPECIALIST 3"X4YDS (12/BG) Specialist® Cotton Blend Cast Padding has a unique micropleated design for excellent conformability, protection and ease of application without tucking or tearing Conformability - the micro pleated fibers fit every contour without slipping Cotton synthetic blend - the moisture from the casting material relaxes the crimped fibers resulting in a uniformly smooth surface The cotton/rayon blend is highly absorbent