This unique gauze dressing effectively protects the wound from contamination using white petrolatum. Non-stick, sterilePerfect for an occlusive dressing for injuries such as "sucking chest" wounds.Xeroform Petrolatum Dressings Medicated to prevent infection of wound site Sterile, fine mesh gauze impregnated with a blend of Petrolatum, Bismuth thiophanate, mineral oil, and Paraffin oil Non-adherent to the wound site Maintains moist wound environment Non-occlusive primary dressing, allowing the flow of exudate away from wound site into a secondary dressing Indicated for use on minimally draining wounds, including surgical incisions, lacerations, donor sites and burns 5" x 9"