Posters Posters come in sizes up to SRA3 (450mm x 320mm) with a maximum printable area of 440mm x 310mm. These can be printed on any stock from our range. As an example price, you can have your artwork printed on 100 A3 posters, full colour, single sided for only £38.00. If you need something a little larger, why not see out Large Format section further down the page... Other paper stocks are available if required.