https://www.amazon.com/dp/B01616I1Q6/ref=cm_sw_r_cp_apa_glt_fabc_YF26F1YAFMSTQKJEWT39?_encoding=UTF8&psc=1 I got 2 packs of these off amazon and I think 9x12 but I'd check what the size of the posters is and verify before ordering!