18/10 high quality stainless steel. 12 ounce straight sided steaming pitcher. Ideally milk for espresso should be steamed as needed on a per drink basis. This espresso milk steaming pitcher would be a recommended size for the home or office, or kept on hand to make smaller drinks in the coffee shop . This is the preferred pitcher to use for making Latte Art. Steaming & Frothing Pitcher Tip: For best steaming performance keep unused or waiting to be used steaming & frothing pitchers in the refrigerator and chilled until you are ready to steam. 3 3/4″ high more info