Harry Potter Marauder s Map Replica. Solemnly swear that you are up to no good! The Marauder s Map Replica is printed on parchment paper. Folding map opens to 72-inches wide x 15 1/2-inches tall! First used by Harry in Harry Potter and the Prisoner of Azkaban. Solemnly swear that you are up to no good! This Harry Potter Marauders Map Replica is a detailed, full-size reproduction of the magical item first used by Harry in Harry Potter and the Prisoner of Azkaban. Printed on parchment paper, the remarkable folding map measures 15 1/2-inches tall x 8 1/4-inches wide. It opens to 72-inches wide! Mischief managed!