[T304 Stainless Steel 16G Construction] This 30" farmhouse sink is made of dent-resistant T304 stainless steel in 16-gauge. The rose gold finish is applied as an outer layer using an innovative nano-PVD technique, offering anti-physical scratching, anti-pot bowl bump, no water trace left, easy cleaning, anti-freezing heat, non-seepage water, and long-lasting durability.