Durable Americast is lighter than cast iron, easier to handle Luxury Ledge is extra wide for storing toiletries Excellent heat retention keeps bath water warmer longer Durable, non-porous, glossy porcelain enamel finish is scratch resistant and easy to clean Luxury Ledge is 4 in. wider than standard ledge allowing plenty of room for bathing essentials Formed steel center layer is strong and stable Americast backing insulates the tub for a quieter showering experience vs. enamel steel and plastic or synthetic tubs Americast backing insulates the tub keeping the water warmer vs. cast iron which draws heat out of the tub water StanSure slip-resistant floor surface Made with exclusive patented bonding process