Zetuvit Sterile Absorbent Wound Dressings/Dressing Pads. Zetuvit Sterile is a non-irritant absorbent dressing pad with a covering consisting of a non-adherent, non-woven polypropylene material. The absorbent core is made of soft cellulose fluff, a tissue layer for distribution of exudate, with a hydrophobic, blue non-woven polypropylene layer on the backing of the dressing used as protection against contamination.