Gauze Drain Non-Woven Sterile 4 x4 6ply (25-2's per tray) STERILE DRAINAGE SPONGE * 4 x 4 6 Ply 25-2Ês/Tray * Our absorbent gauze sponges are made from the highest quality materials and are designed to meet or exceed U.S.P. specifications for purity and absorbency * Sterile all-gauze sponges feature an easy to open peel back envelope for an aseptic presentation * All non-sterile gauze sponges are made of U.S.P. Type VII gauze with the cut edges folded in