The 905 small single bowl undermount sink is made from 99% pure-mined copper. It is comprised using one-piece construction, giving you a very strong and durable copper sink. Since copper is naturally anti-bacterial and stain-resistant, it is great for busy households that benefit from low-maintenance materials. The hammered finish looks great and provides a mask for small scratches that may appear over time. The overall dimensions of the 905 are 16 1/2" x 12 1/2" x 7" and an 18" minimum cabinet size is required. The sink contains a centered 3 1/2" drain opening and copper strainers and flanges are available. The hand-crafted copper details are sure to add warmth and richness to any decor.