Ready-4-tiles shower base 32''x 48''Can be installed in a corner or alcove. Grate and strainer included.Corner real dimension: 29,5/8'' x 45,5/8'' alcove real dimension: 29 5/8''x 48''-Installation and tiling on the same day- build-in slopes-100% waterproof-No-leak guarantee-No need for extra waterproofing product during installation-No deterioration, no mildew caused by water infiltration