Product details:

The Goof Proof Shower Seat is a heavy duty stay-in-place molded plastic form that is perfect for new or retrofit installations. It is easily installed and can be tiled the same day. Measures 30in width and can be easily trimmed down to 24using the guide marks on the top surface. The front face has a 3/16wide tile support ledge to easy alignment and full support. Supplied with two level vials to indicate the proper water drainage slope of 1/4per 12run. For new installations, the seat is installed over the wall boards and secured into blocking between studs using six 2-1/4screws. For retrofit installations, the seat is installed over the tile and secured with the screws into six plastic toggle anchors. Capacity is 400 lbs. Includes screws, anchors and shims (to adjust for out of square walls, if necessary) and illustrated instructions. Weighs 7-1/2 lbs.