Novatto MATAMORAS Tiered Copper Bathroom Sink, Antique Round tiered bath sink with flat lip; Hand-hammered antique finish Drop-in or Undermount installation Artisan hand crafted; 18-gauge recycled copper construction; Lead-free Approximate dimensions due to handmade craftsmanship: Outer 17 by 6-inches; Inner 15 by 5.5-inches 1.5-inch drain opening; Standard U.S. plumbing connection; Limited lifetime warranty