Houzer BG-3400 Wirecraft Bottom Grid 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 scratch. It measures 12" X 15 3/4" and is custom designed to fit Houzer sink models EC-3208, ISL-3322, MEC-3220, MGD-3120, MGT-4120, PGT-4322, STE-2300. Houzer BG-3400 comes with a 1-year limited warranty.