The MFC Boat Box is a revolutionary totally waterproof fly box that was designed for use in boats, backpacks, or for travelling with large quantities of flies. One box that can cover any situation. A center leaf can be added to double the capacity. The fly leaf is also available in XL,L,S, and Midge foam sizes

approximately 13"x11"x4" with pre slit closed cell foam.  holds approximately 600-2000 flies depending on configuration, additional leaf can double capacity.