MFC Boat Box - 

The MFC Boat Box is a revolutionary totally waterproof fly box that was designed for use in boats, backpacks, or for travellng with large quantities of flies. One box that can cover any situation. The Salt Water Boat Box was designed from our original Boat Box with one addition, big thick foam for big flies. 7mm foam will hold onto your "big bugs" while you're skipping across blue water en route to your destination.