This Guinness pint glass is an Official Guinness product. It has the classic gold harp and Guinness logo on one side and the embossed harp on the reverse. It is a tulip shape pint glass that holds 568ml. This Guinness pint glass is certified for the use in pubs as a legal pint measure. This new design was made famous by the President of the USA on his recent visit to Ireland as he enjoyed a nice cold glass of Guinness.