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"� Square design, created of 18-gauge copper which is hand-hammered to provide a rustic antiqued look. This copper sink can be used as either a drop in or an under mount.SpecsModel: H-SQ-15Shape: Square ( not a true geometric square)Outside Dimensions: 15" x 15" x 6"Inside Dimensions: 13" x 13" x 6"Edge (Lip): 1" FlatDrain Opening: 1-1/2" { Non-Overflow }Drain Sold SeparatelyDesign: Hand-Hammered SurfaceNaturally Antimicrobial Gauge: 18Material: CopperNaturally AntimicrobialFinish: Aged CopperOverflow: NoInstallation Type: Drop In or Under MountWarranty: Limited LifetimeIncluded:(1) Copper SinkInstallation 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.