16 Gauge 304 stainless steel material Stylish stainless steel brushed nickel finish More durable than porcelain/cast iron sink 15mm radius, seamless appearance WILL NOT rust, stain or fade Thick undercoated and sound reduction pads added Standard 3.50” (90mm) drain opening Overall dimension: 16”(L) x 20”(W) x 10”(D) Bowl dimension: 14”(L) x 18”(W) x 10”(D)