Durable bowl meets the highest quality standards. Beautiful hammered finish. Suitable for cats or dogs. Generously sized. Clean with hot soapy water and a soft brush not recommended for dishwashers. This Hammered Copper Pet Bowl is made of solid copper which is naturally anti-microbial and anti-bacterial. This food-grade copper bowl has been carefully hand crafted by skilled artisans, and no two are exactly alike. . . . . .