Hemingways Predator Fibers are a must have for oversized flies, and toothy fish. This specially designed material is formulated to be ultra tough but also to have an extreme suppleness and translucence to match natural prey species. Available in 14 popular colors and durable enough to withstand fish after toothy fish. Material is 15.75 inches long. Hemingways Predator Fibers were designed to shed water on the backcast helping to keep big flies light and easy to cast.