The raw material of the mull strip is absorbent, water vapour permeable, bleached and cleaned in hydrogen peroxide, dried by dry heat, 17-fiber mull with 100% cotton content, without hanging thread ends, lint-free, cutable. Folded into four layers so that the cut edges are inserted inward. In the middle of the rolls there is a stiffening paper roller for smoother use. It can be sterilized in an autoclave. Individually packed in foil bags.
