Economy and Environmental Protection This is a traditional manual way the simplest and most efficient way with no need of electricity or batteries More economical than battery powered frothers and expensive electric milk frother Froth Milk Easily Put the milk into the pitcher place plunger inside and lid it then please pump the handle up and down 2030 timeswithin 30 seconds until foam has desired consistency Capacity 15 oz 450ml overall size 8314 inch 175 8 cm Perfect size for frothing milk for 23 cups of coffee Top Quality Materials This milk frother is made of ABSSilicone which is sturdy and hygienic Great as Gift Suitable for homemaker a great gift for your family friends and milk lovers