Compartment boxes give each pattern or size its own bin, so you can sort by hatch and refill fast. Options run from 6 to 18 compartments, from slim pocket boxes to the Bug Locker. Flies sit loose in the bins, which suits patterns that hold their shape.
Want every fly held in place? See the Foam Fly Boxes. To browse every box and patch, head to Fly Boxes & Patches.