Posters A3 Posters Designed & Printed We won't send them to print until you are 100% happy with the design. Please Note All prices are based on standard A3 poster dimensions of 297 x 420 mm. Single sided. Printed on 130 gsm silk paper. Please allow 5 days for your order to be processed. Pick up from Need Music HQ (Newcastle city centre). Thicker paper types are available - please ask for a quote.