EXTRA LARGE CAPACITY: As a fly fisherman, you need a fly box that can hold all your flies and keep them organized. Our fly fishing fly box has a 4-layer design with two box interiors plus a double-layer foam board in the center, allowing it to hold up to 460 small flies. The large depth of 1.8 inches is also great for holding large fly lures..COMPACT & PORTABLE: Our fly box has a portable size of 6.24.21.8 inches, making it easy to fit in most fly fishing vests, waders, and clothing pockets. You can put the tackle box in your pocket or bag when fly fishing, and you can also carry more fly tackle boxes to carry more. With our fly fishing fly box, you can be sure that you have all the flies you need for a successful day on the water..HIGH-QUALITY & WATERPROOF: Made of high-quality and high-hardness ABS material, our fly box is explosion-proof and drop-proof, effectively protecting your fly lures from damage. The fly fishing box has a raised silicone ring around the edge to keep it airtight when closed. It is also completely waterproof and ultra-lightweight, making it float on the water's surface even if it falls into the water..DETACHABLE: Customization is key when it comes to fly fishing, and our fly box has a detachable middle layer that can be removed to create a double or quadruple-layer fly fishing box according to your needs. The divider can be easily removed by unscrewing the screws in the fly box that attach the center foam panel..LONG TIME USE: The high-density EVA foam board of our fishpond fly box is suitable for all different sizes of flies, big or small, dry or wet. The small holes dug in the high-density foam can help you easily put flies into the streamer storage box. Additionally, this foam board has a rebound function, allowing you to use it again and again for a long time.