1. Solid Stainless Steel 304 Construction 2. Handmade Brushed Nickel Finish . 3. Flip-top Non Overflow Style . 4.Smooth Push Operation . 5. Easy to Install . 6. Seal Perfectly . 7.Fits Sink With 1 1/2” to 2” . Drain Exit or Waste Pipe is Standard 1 1/4” . 8.Limited Lifetime Warranty.