Wiro Bound books A4 is the perfect way to showcase your annual reports or presentation documents and much more. At Better Printing, our standard Wiro Bound Books are available in sizes A4 (210mm x 297mm) in either portrait or landscape. We recommend using 130gsm silk stock for the inner pages and a robust 350g silk front and back cover. Wire options are available in white, black, silver and also coloured wire available on request. Contact us any time for more information!