Lightweight, compact design, tough impact resistant plastic, and 8-rows of slit fly foam on both interior sides that can securely hold over 200 flies. The optional leaf insert will double that capacity if you like. Metal hinge-pin and positive locking mechanism. (5 5/8″ x 3 1/2″ x 1 3/8″). COLORS: (1)Rainbow-Trout-Skin, (2)Brown- Trout-Skin, (3)Hopper-Snack, (4)Firehole-Rise.