Kerlix - Non-Sterile Gauze Bandage help to control infection while protecting and cushioning wounds. Made from woven, pre-washed gauze, Covidien Kerlix gauze rolls are non-sterile 6 ply rolls. Kerlix is known for fast wicking action, superior aeration, and excellent absorbency. Covidien finishes the edges of the gauze to reduce loss ends and lint.