Medline Dressing, Suresite, Window, 4 x 4.5 Medline Suresite Transparent Film Dressing: Protect the skin, I.V. sites and surgical incisions using Suresite Transparent Film. Conforms to hard-to-dress areas, allows constant observation, and can be left in place for up to seven days. Suresite is waterproof and is also bacteria-resistant. 4 x 4.5, Window.