BonJour Coffee Glass and Stainless Steel Manual Milk Frother, 16-Ounce, Caffe Froth Monet Caffe Froth's patented design transforms non-fat milk into rich, creamy froth; perfect for cappuccinos, lattes and mochas Pour non-fat milk to the indicator line, place lid on carafe and pump 20 times Borosilicate glass for superior heat retention and clarity Patented frothing technology; stainless steel rods and screens 450-Ml capacity or approx 15-ounce Please remove the plastic protection piece under the black base. This will give the base more flexibility and the glass might fit better. Please don't fill above that 1/3 line