This rugged, stylish, water proof box with slotted "inline" foam inserts on both sides is great for a combination box storing all sizes of flies. With one side of the box deeper than the other it lends itself to storing your larger foam bugs or streamers. The shallow side can accommodate lots of nymphs and dries. This box comes with either no swing leaf. a swing leaf for increased storage capacity or the dropper leaf which allows you to prepare your dropper rings in advance. Compact size makes it great for your hip pack, fishing vest or sling pack.