Silva Map Cases are all-round waterproof map cases suitable for every outdoor activity. Fully transparent with the possibility to view the map from both sides of the case. Easy to open & close, & keep your map dry in any weather. If you want to keep your hands free, use the enclosed neck strap. The small holes in the corners make it possible to attach the map cases to a backpack or on a kayak, depending on your needs. The Large Map Case has a velcro strap along the short sides so that you can fold it in half for easier handling.