Houzer BG-8500 Wirecraft Bottom Grid is made of T-201 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 scratch. It measures 21 7/16" x 15" and is custom designed to fit Houzer sink models PTU-2800. Houzer BG-8500 comes with a 1-year limited warranty.