PolyMem® Nonadhesive without Border Foam Dressing, 8 x 24 Inch, 1 Box of 2 Lights Ready to drink in a Two 1 inch urethane Ready to drink in a clear * A soft flexible dome that can be easily squeezed around the nose mouth and chin of the victim * A standard 15 mm port that can be used with bag mask resuscitation units or aerosol tubing * A compact mask valve with quick two piece assembly * Features elastic strap * Latex Free * Fully assembled ready to use * Features mask with O2 inlet one way valve filter head strap and gloves * One way valve and filter prevents backflow of air contaminants from patient to rescuer The non adherence properties keep the wound bed protected The 8 x 24 inch PolyMem® dressing expands to conform to the wound