The Nuthatch - standard print

You have a choice of either a digital file or a printed out version and tell me what your prefered choice is from these options below:

-a4

-a5

-a6

-b5

-letter

-legal

-executive

-20x25cm

-22.5x25cm

-12.5x18cm

-10x15cm

-8.9x8.9cm

-12.7x12.7cm

-18x25cm

-9.1x5.5cm

-Envelope (DL, COM10,CS

-Custom Size

-Printer Resolution - 4800 x 1200 dpi