Elkay LKWOBG1518SS Bottom Grid CUSTOM SIZED: Designed to cover the bottom of specific Elkay sink bowls CORROSION RESISTANT: Constructed of solid stainless steel to resist corrosion PROTECTS SINK BOTTOM: Specially designed feet protect sink bottom to keep it looking great CONVENIENT DRAIN OPENING: Properly positioned opening provides easy access to drain or disposer DISHWASHER SAFE: Fits inside the dishwasher for convenient cleaning