Zetuvit E Non-Sterile Absorbent Dressing Pads. Wound-compatible absorbent dressing pads; the covering consists of a non-adherent non-woven polypropylene material;. The absorbent core consists 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.