This poster was exclusive to those who were subscribed to Shonen Jump Plus or Zebrack in Japan and prepaid to get these posters. The event ran from 12/5/24 to 1/26/25, those who received it, It arrived in april. The poster is about 515mm x 728mm or about 20.3in x 28.7.

The Original Site And Date Of This Poster Registration Event https://www.shonenjump.com/p/teiki/2024/zennsa_bokunoheroacademia_richposter02/