It is made from high quality 304 stainless steel, lighter and more durable than glass and crystal.With such as fancy look, you'll never worry about having cups too drab or dull for even the classiest events great for after parties, nightclubs, bars, and other festive locales to serve with style. This is a great gift for your family and friends. Capacity: 15oz/450ml.Please feel free to send inquiry.