Sattui Stainless Steel Sink is made of top quality 18 gauge, 304 stainless steel which contains 18% Chrome and 10% nickel content, size: diameter 16.93" (430mm), bowl depth: 9" (228.6 mm), heavy duty sound guard coated and padded to reduce disposal noise, vibration from dishes and running water for quite performance. Topmount or Undermount: Topmount + US$2.00 Undermount Surface Finish: Brushed + US$2.00 Smooth Packaging: Bulk pack stacked on pallet,protected by foam from scratch Packed in Carton + US$2.00 You'll get Extra 2% discount entering this Sales Rep ID in the check out page: rk082407