If the map goes overboard, you can be sure it will stay dry and afloat in this Aquapac bag. Suitable for larger items including maps, electonics, and important documents like river stories or liability forms. Features 4 eyelets for attaching to a boat, motorcycle, canoe etc. Comes with detachable carrying handle and fully-adjustable shoulder strap. Guaranteed waterproof to 15ft. • 11.5"H x 17.3" in Circumference • Detachable, Adjustable Shoulderstrap • 4 Eyelets for Attachment