4″ X 4″ -8Ply Sterile Gauze Swab for Emergency Kits First Aid Supplies Wound Gauze Pad Cotton Medical     Dressing pads.Gauze was originally made of silk and was used for clothing. It is now used for many different things, including gauze sponges for medical purposes. When used as a medical dressing, gauze is generally made of cotton. It is especially useful for dressing wounds where other fabrics might stick to the burn or laceration.