<p>More than simply beautiful, copper is considered the best performing of culinary materials. Professional chefs use unlined copper bowls like this one to whip egg whites to frothy peaks. Copper is the ideal material for this task as it reacts naturally (and harmlessly) with the whites, making them more stable when beaten so they almost triple in volume.</p> <ul> <li>Crafted of solid unlined copper.</li> <li>Round-bottomed shape promotes vigorous, thorough mixing.</li> <li>Rolled rim is reinforced for extra strength.</li> <li>Riveted ring for use as thumb grip or for hanging.</li> </ul>