We now offer larger poster sizes for all of our posters and the image below demonstrates just how big the 27X40 poster is compared to the popular 18X24 poster size.  As you can see the 27X40 poster is massive but looks very impressive on a wall.  If 27X40 is n0t large enough for you can have any poster printed 40X60 which is the aircraft carrier of poster sizes.

27x40 poster size