"This combination pad is made to handle heavy drainage, while keeping the wound dry. Its design diffuses liquid throughout the pad. Pads are constructed of highly absorbent cellulose. Multiple dressings with these pads may be used for additional protection against strike through.Caring ABD/Combine Pads Are Designed to Deliver Standard Absorbency at a Great ValueCaring Abd/Combine Pads - Sterile - 5"" X 9""" Case Pack 400