Consistent branding is critical and starts even from small firms. Have your official documents properly branded and before mailing out to your audience, to have a wide reach of marketing effort.
Size: A4 (21cm x 29.7cm)
Make sure that the fonts should at least be 6pt in size such that it can read easily.
Make sure that the resolution of your images and graphics in your artwork are at least 300dpi
achieve a clearer print.
Printing processes rely on the CMYK
colour model, instead of RGB colours. Setting up your files this way will ensure that the colours printed on the products will be close to what you see on your screen.