The rugged tough Meiho M-21 S Adjustable Compartment Fly Box is customizable to suit your changing needs and features a positive-locking closure latch with a handy lanyard attachment hole too. Ergonomically designed to fit easily inside a vest pocket or chest pack, the Meiho M-21 S is semi-clear in color so that you can quickly identify what's inside. A favorite for not only for storing flies, but great for organizing your collection of split-shot and small strike-indicators, tube fly hooks and more, give Meiho's economically priced M-21 S Fly Box a try. (5.4 x 2.8 x 2.0 inches)