Copper Sink Smooth Finish Round Design made of 100% pure copper. Solid copper construction. Made of 16 gauge copper. Hand waxed for easy maintenance. Available in Medium Antique and Light Antique finish. 18″ diameter x 5″ deep. --Copper Sink Smooth Finish has single wall construction. Take advantage of antimicrobial properties of copper to keep your sink area bacteria free. Round Design made of 100% pure copper. Solid copper construction. Made of 16 gauge copper. Hand waxed for easy maintenance. Available in Medium Antique and Light Antique finish. All dimensions ± 1/2″. 1-1/2″ drain size. 18″ diameter x 5″ deep. Maintenance & Cleaning Copper Sinks are low maintenance products. For cleaning your copper sink follow following methods: Get a pair of hand rubber or plastic hand gloves. Use mild detergent in warm water. Soak a soft cloth in mixture of warm water and mild detergent. Apply it throughout to cover the sink. Rinse the sink and use a dry cloth or towel to remove the water droplets.