Cardinal Health Essentials Transparent Thin Film I.V. Site Dressing, Oval Shape. Provides an occlusive barrier to moisture and bacteria. Design allows for easy, one-handed application. Features a high moisture vapor transmission rate and a smooth finish to reduce shear friction to surrounding skin. Ideal for IV catheterization fixation or for use as a secondary wound dressing. Sterile, Oval Shape, 4" x 4-3/4"