Fly box - Orvis fly pack Medium

The most versatile, practical, and lightest system devised for organizing a large number of flies. Center foam inserts are removable, allowing the angler to customize the fly selection each time out. Extra inserts can be pre-loaded. Simply swap inserts, shut the hook-and-loop closure, and head to the next destination. Durable nylon cover with two flat foam inserts. Fly tray is designed for dry flies.
Sizes: S(3" x 4½"), M(3½" x 5½"), L(4½" x 7½").