The Dermacea™ Super Sponge is made from 100% cotton that has been prewashed, fluff-dried, crimped to create a crinkle-weave pattern, and diamond-folded for superior loft, bulk and high absorbency. Offers maximum absorbency, strength, and is virtually lint free which is ideal for pre-op prepping and cleansing, debriding, and packing wounds. Medium, 6" x 6-3/4" (15.2 cm x 17.1 cm). Sterile.