Nonwoven Sponge McKesson Nonwoven / Rayon / Cellulose 4 X 4 Inch Square Sterile Nonwoven, 4 x 4 inch sterile sponges are ideal for moderate to high exuding wounds They have a rayon and cellulose absorbent core The nonwoven fabric produces less linting and is suitable for direct wound contact They are sterile to avoid contaminating the wound