I.V. Dressing 3M™ Tegaderm™ Adhesive / Film 2-1/2 X 2-3/4 Inch Sterile100 per box, 4 boxes per case High adhesion keeps dressings in place under challenging conditions with up to 7 day wear time. Provides a waterproof, sterile barrier to external contaminants including liquids, bacteria and viruses. In vitro testing shows that the transparent film provides a viral barrier from viruses 27 nm in diameter or larger while the dressing remains intact without leakage Transparency allows for easy for monitoring of the wound or