SimplyCopper 19" Oval Copper Bathroom Sink -- Undermount or Drop in SimplyCopper 19" x 14" rustic oval 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. Outside Dimensions: 19" x 14" / Inside Dimensions: 17" x 12" / Depth: 5-1/2" Drain Opening: US standard 1-1/2" DRAIN NOT INCLUDED 18 Gauge Copper Shown in Aged Copper Installation: Drop In / Under Mount (1" flat lip)