This 26 inch bowl still has a 9 inch deep bowl?ideal for a prep area. The heavy 14?gauge copper is hammered copper. This kitchen copper sink has a standard 3.75" diameter opening, which fits 3.5" disposer drain assemblies. This model has one single rectangular bowl with inside dimensions of 22" x 15" x 9". The copper sheet is 14 gauge (0.064" thickness). This hammered kitchen copper sink is a beautiful piece of art. From a copper sheet the wise artisan hands transform it into this unique piece. The hammer footprint is very visible, giving it its own character. The reddish/oxidized texture is characteristic of natural copper when it is cooled down from red-hot temperature using cold water, that specific characteristic is what makes it so beautiful. The border around the four sides of the sink is 2". Free or any lacquer, this copper sink is a living finish and will patina over time into a beautiful warm finish.