Starbucks Espresso Shot Glasses. Set Of Two. Each is a One Ounce Size. Clear Glass with Black One Ounce Size Marking and Mermaid Logo on Bottom. Comes in Original Presentation Box that has seen much better days. Glasses are dusty from the open windows box design and time. 2007 Copyright on bottom of the box. No Chips or Cracks with All Print Strong and True.