Amazon.com: Harry Potter The Marauder。This stylish burgundy crossbody bag is perfect for any occasion. Its sleek design and rich color make it a must-have accessory. Marauder\'s Map sling bag in the color burgundy featuring \"I Solemnly Swear That I Am Up To No Good\" across the front with adjustable strap that features an allover print of the iconic Marauder\'s Map. Body: 100% Polyurethane Lining: 100% Polyester 7 3/4\" H x 4 1/4\" W x 3\" Depth Spot clean only Imported HARRY POTTER and all related characters and elements © & ™ Warner Bros. Entertainment Inc. Publishing Rights © J.K. Rowling.