The Perrin #69-2 flies are designed specifically for fly fishing, with a topwater bait shape that mimics fish. These multicolored flies are made of plastic and have a neutral buoyancy, making them ideal for trout fishing at a maximum diving depth of 10 feet. Each box contains 10 flies, making them a convenient and effective choice for anglers looking to attract and catch trout using fly fishing techniques. Made in the United States, these flies weigh 300 grams and offer a realistic and effective option for fly fishing enthusiasts.