A storage system to retain fishing flies and fishing rigs may include a multi-piece enclosure with a first storage compartment pivotally interconnected with a second storage compartment. A composite sheet assembly may be attachable to the multi-piece enclosure and may be sized to fit within the multi-piece enclosure when attached to the multi-piece enclosure and when a first edge portion of the first storage compartment and a second edge portion of the second storage compartment are positioned against one another. The composite sheet assembly may include a first sheet, with a slit system including a plurality of slits in the first sheet, that is configured to retain fishing hooks. The composite sheet assembly may further include a notched edge including a first set of one or more notches to receive portions of rig lines when the rig lines are wrapped around the composite sheet assembly.
