KitchenAid does not offer copper bowls for its stand mixers, but the company endorses bowls made by French Copper Studio that are custom fit for its mixers. KitchenAid sells a stand mixer with a copper-colored base unit.
Using copper bowls help bakers beat egg whites stiffer and faster. Some cooks prefer copper cookware for its beauty and heat-conducting properties, but copper bowls and pots are more expensive than other materials. The copper stand mixer bowls sell for approximately $300 to $450 each, as of 2015. KitchenAid sells a variety of stainless steel and glass bowls for its stand mixers, ranging from about $50 to $90.