8 Ply 4 X 4 200 Bag 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