The 75 Fly Fishing Flies Set are all hand tied flies for all types of fish, from trout, whitefish, pike, walleye, salmon, bass, and many more. They are great for using them in rivers, lakes, streams, and even saltwater. The case is waterproof which is very handy if you like changing flies while out wading in the water. The case comes with a wide range of flies, from dry flies, wet flies, streamers, and nymphs for all types of fly fishing. These flies will help you land more fish in your fly fishing net.