The Houzer Wirecraft Stainless Steel Bottom Grid (BG-7200) is made of T304 stainless steel with protective feet. This in-the-sink bottom grid helps to reduce noise while cushioning fragile dishes and protect your sink surface from scratches. It measures 31.0 in. L X 17.13 in. W X 0.625 in. H and is custom designed to fit Houzer sink models PTG-4300-BL & PTG-4300-GR. For over three decades, Houzer has been improving millions of kitchens across America and overseas, one sink at a time. Houzer offers over 100 sensational models in Stainless Steel, Quartz Granite, Fireclay, Porcelain Enamel Steel, and Copper to match any design from traditional to contemporary. Houzer believes that sinks can make your life in the kitchen easier and more enjoyable.