MASCO BATH TW78440A Tub Surround Kit, White, 5-Piece 5 Piece White High Gloss Bathtub Wall Surround Kit Vista piece design with four shelves Requires no trimming Fits Alcoves from 49-Inch to 60.5-Inch wide by 28-Inch to 31-Inch deep Panels are easy to trim for window openings