Welcome to Simply CopperDISCOVER THE OLD WORLD BEAUTY OF OUR HAND MADE COPPER SINKSEASY TO CARE FOR, EACH SINK IS ONE OF A KIND!SimplyCopper 15"� elegant round bowl design, created of heavy 18-gauge copper which is hand-hammered to provide a rustic antiqued look. Each piece is hand made by skilled artisans who take pride in their work. Each sink is truly a work of art. This copper sink can be used as either a drop- in or an under mount.SpecsModel: H-R-15Shape: RoundOutside Dimensions: 15 x 5-1/2" DInside Dimensions: 13" x 5-1/2" DEdge (Lip): 1" FlatDrain Opening: 1-1/2" { Non-Overflow }Drain 1.5" US Standard Lift & Turn Drain (will hold water)Design: Hand-Hammered SurfaceNaturally Antimicrobial Gauge: Heavy 18Material: CopperFinish: Aged CopperOverflow: NoEasy to maintain-soap & waterInstallation Type: Drop-In or Under-MountWarranty: Limited LifetimeIncluded:(1) Copper Sink(1) Lift & Turn DrainInstallation InstructionsCopper Sink CareWarranty InformationPlease Note: Each sink is handmade by Skilled Artisans. Our sinks are unique and one of a kind. You will use the sink as your template as dimensions can vary slightly due to the handmade nature.Variations in the patina are normal and not considered to be a defect. We recommend a professional for installation. Use only mild soap and water with a soft cloth for cleaning