Rod Saver Map Saver [MSR]Map Saver The map saver features the 3M dual lock technology to provide a permanent adhesion indoor or out. It also comes with stainless steel mounting screws. The map saver keeps cell phone, wallet, money, keys, glasses, maps, etc. organized and dry in this water resistant utility bag. Can be mounted on aluminum, fiberglass, in storage boxes, virtually anywhere in the boat.