EASY AND CONVENIENT TO OPERATE: milk into pitcher, place plunger inside and secure the lid, pump the knob up and downuntil the bubble and milk blend, then pour out WIDELY USED: Create frothed whole milk, skim, goat milk, hemp milk, almond milk, soy or cashew milk, and other non dairy milk MILK FROTHER: can creates a frothy rich foam for topping delectable hot or cold beverages in 60 seconds or less, without electricity or batteries DURABLE TO USE: Made from stainless steel, lid had built-in double-mesh aerator and easy-grip handle, durable and versatile, heat-resistant handle ECONOMICAL: more economical than battery powered frothers and expensive espresso machines, top-rack dishwasher safe for easy cleanup, perfect for coffee shop, home use and coffee lovers