Disney Mickey Mouse Backpack Preschool Toddler -- 11" Mini Mickey Mouse Backpack (Disney Preschool Supplies Bundle). Deluxe Disney backpack for toddlers featuring Mickey Mouse. Zip closure, adjustable shoulder straps, top loop for hanging. Measures 11" x 9" x 4" - just the right size for preschool children. Includes a pack of 25 large Mickey stickers. The perfect Disney back to school set for any Mickey Mouse fan. Officially licensed Disney Mickey Mouse school supplies for toddler and kids -- boys and girls alike.