This Prime-Line M 6022 Shower Door Bottom Sweep helps prevent water from leaking onto floors. The shower door bottom sweep is a replacement sweep for use on hinged swinging shower and tub enclosure doors. Constructed of vinyl, the gray bottom door sweep is easy to install. The door sweep for bottom of door features a flat shape at its top. The 1-1/2 inch height and 36 inch length can be trimmed as necessary for best fit. Please refer to the line art drawing for dimensions and compare with your needs before purchasing. INSTALLATION TIP: Soak in hot water to help relax the material so it can be installed easier and the material will reshape to its original form before being compressed in the packaging.