304 STAINLESS STEEL, 16 GA PROTECTIVE UNDERCOATING RUBBER SOUND PADS LIMITED LIFE TIME WARRANTY AGAINST MANUFACTURER DEFECTS AND CRAFTSMANSHIP Fine quality sink formed of heavy duty 16 gauge, type 304 nickel bearing stainless steel. Inside bowl surfaces polished to a uniform easy to clean satin finish. High density sound absorption pads covered with a thick rubberized insulation layer on all bottom surfaces. PermaClean seamless drain technology. Removeable splash guards that are dishwasher safe and strainerbaskets which seal both the drain and garbage disposer. Undermount Single Bowl 30-1/8 x 17-7/8 x 9