Here's a Star Trek 6oz Stainless Steel Flask for your Romulan ale? Some Klingon blood wine? Well, mine's Earl Grey. Hot. This Star Trek flask features the star fleet emblem embossed on the front and measures 4.5 inches high and 3.75 inches wide with a 1 inch deep curved body. The screw top cap is attached to the flask body with a hinged catch.