A2: 420 x 594mm (42 x 59.4 cm). A3: 298 x 420mm (29.8 x 42 cm). A4: 210 x 298mm (21 x 29.8 cm). A Quick Note on Colour. Keep in mind that the colours on your print might look a little different from what you see on your computer or phone screen, as display settings can vary.
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