This Enamel cup are made of high quality steel with enamel coating, No worries any toxic leeching into your drink, Stronger than ceramic and glass, Healthy and durable for your daily use. Proper Size with 12 Ounce (350 ml), Perfect used for soup, coffee, cappuccino, latte, milk, tea, iced beer, 6 cups is enough to meet your different drink need on home drinking, camping, picnic, party, fishing, etc. Accept customized logo.