The New Sponge is an excellent example of the Dukal quality. The effective combination of the weight and open aperture allows each sponge to wick quicker and offer superior absorbency. They are made of a soft rayon/poly blend and are available in both sterile and non-sterile packaging..- Sponge, 2" x 2", Non-Woven New Sponge, Sterile, 4-Ply, 2/pk, 25 pk/bx, 60 bx/cs