What is the largest poster you can print? April 24, 2018 23:46 Updated Follow The largest poster can produce is 44" x 72" and will be printed on our Premium Glossy Photo Paper. Order now from our Posters product page! Related articles FREESHIP Promo Details How do I order Tote Bags? Exporting a Print-Ready PDF File from Illustrator or InDesign Premium Glossy Photo Posters Can you print two sided posters?