Bodum Shin Bistro 4-Ounce Milk Frother Create a smooth and consistent milk foam without electricity; easy to use and quickly froths milk Simply add cold non-fat milk to fill line and set lid; then pull and push plunger until milk turns to a frothy foam The volume of milk froth will approximately double; allow froth to sit for a minute and thicken To heat froth, remove lid and put carafe in microwave for 20 seconds; scoop out foam and top off favorite drinks Able to hold up to 5 ounces, beaker is made of durable, heat-resistant borosilicate glass; all parts are dishwasher safe