A29 Egg White Bowl, 100 % Solid Pure Copper, 10-Inch, 4.9 Quart Solid copper bowl for beating egg whites. Side ring lets chef hold or hang bowl Copper material interacts with egg proteins to produce fluffy, high-rise whites Polished internally and externally with no lacquer coat. It has a bare surface Capacity - 4.9 quarts or 4.6 litres Dimensions - 10"x10"x5". 1.5 mm thick metal. Weight-1.8 lbs Hand washing recommended; limited lifetime warranty