It consists of 2 different metal glasses and is ideal for professional use since it holds enough to prepare 2 cocktails together. It is similar to boston shakers, but it is considered safer since it consists exclusively of metal parts. It is also very easy to clean, so you can make one cocktail after another without much delay.Capacity: 880ml  Material: Inox  Colour: Silver  Diameter: 9cm  Height: 29cm