Milk Frother Black Stainless Steel 500 Watt 0.3 l L It's easy to conjure up your own seductive milk foam crowns and treat yourself to a little time out with a perfect coffee creation.  It is presented in elegant black and stainless steel. Whether cow's milk or alternatives made from rice, oats and soy - a maximum of 0.3 liters fit into the milk frother.