Medium To-Go Fly Box Waterproof fly box with tight sealing rubber gaskets, will float if dropped Strong, tough, ABS plastic, ribbed exterior for sure grip, great for trout fishing Holds over 160 flies, slit foam securely holds your flies securely Stainless steel hinge pins, won't rust or corrode, good for saltwater fly fishing Great "pocket fly box", 5 1/2" x 3 1/2" x 1 1/4"