Covidien Kerlix 4 x 4 Inch Sponges 12 Ply Sterile, (5072) - 1200pcs/ Pack4 x 4 Sponges Kerlix USP Type VII Prewashed, fluff dried woven gauze with crinkle weave pattern for loft and bulk to cushion and protect wound areas 4 in. x 4 in. sponge ideal for all purpose floor use as well as superior primary dressing Absorbency and texture ideal for prepping, cleansing, packing and debriding wounds Not made with natural rubber latex