These tub surround wall panels (4-panels) measures 32 in. x 62 in. and (1) Banton Strip 4 in. x 62 in. for back wall seam. Additionally (6) Retro Trim to go over existing tile. Made of minimum 93% clear quartz, contains resin and silica sand. Will not mold or mildew and has no grout to clean. Quartz is also stain and scratch resistant.