Featuring digital mapping of popular rivers, the Montana Fly Company Waterproof River Map Fly Box lets you know mileage between access points, to say nothing of it's primary purpose of holding flies! This Montana Fly Company fly box is perfect for wading or floating long stretches of river! A silicone gasket ensures your flies stay dry if the box takes a drink! The Montana Fly Company Waterproof River Map Fly Box makes the perfect gift for your favorite angler! Digital river map right on the cover Lets you know where you are on long stretches of river Silicone gasket for waterproof integrity