Waterproof compartment boxes are a necessity for the boat angler and the Large offers up secure storage for your fly investment. Made to slide in perfectly to boat bags so you can keep your confidence flies organized and at the ready. These Waterproof Bug Lockers are fully adjustable to fit everything from musky flies, to steelhead intruders, hold a horde of hoppers, or work as a saltwater fly shack. These are durable and shatterproof and built with our 3-D molded high-grip FlyTrap closure.