Non-Woven Sponge - Sterile - NON-WOVEN SPONGES. STERILE. Multiple sizes available. 4 Ply. 50 Pouches/Box. Ideal for wound dressing, prepping, and scrubbing general purpose cleansing. Less linting than standard gauze. IV Sponge is a versatile non-woven dressing with pre-cut fenestration designed to fit around most drains, tubes, catheters, or IV's. Unigue non-woven material elminates the risk of loose threads faling into the wound. Highly absorbent and economical.