This versatile double-sided fly box is perfect for the angler who needs to find the fly they want at a moment's notice! It is 100% waterproof and will float if dropped into the water. Each side is protected by its own clear lid so you can easily see your flies without exposing them to the elements. The clear lid also allows you to easily grab the fly you need during that critical moment on the water. This rugged fly box has a sturdy metal hinge pin and measures 5.1" x 3.75" x 1.5". Each foam style allows you to simply back your fly into position and it is solidly held in place.