Economy and environmental protection: This is a traditional manual method, the easiest and most effective, without the need for electricity or batteries. (More economical than battery-operated frothers and expensive electric milk frothers). Easily froth milk: Put the milk in the pitcher, put the plunger inside and cover it, then pump the handle up and down 20-30 times (within 30 seconds), until until the foam has the desired consistency. Capacity: 15oz (450ml), total size: 8 * 3.14 inch / 17.5 * 8 cm. Perfect size for frothing milk for 2-3 cups of coffee. Premium materials: This milk frother is made of ABS + silicone, which is sturdy and hygienic. Ideal as a gift: Suitable for the housewife, a great gift for your family, friends and milk lovers!.