Old Fashioned glass
The Old Fashioned glass, lowball glass, or rocks glass is a short tumbler used for serving an alcoholic beverage, such as whisky, with ice cubes (“on the rocks”). It is also normally used to serve certain cocktails, such as The Old Fashioned, from which it receives its name.
Old Fashioned glasses will usually contain 6 to 10 fluid ounces (180 to 300 mL).
A double Old Fashioned glass contains 12 to 16 fluid ounces (350 to 440 mL).