The product is a Harline Dubbin Dyed Hares Mask in the color black. It is a fly tying material designed for creating fishing flies. The hares mask is from the brand Hareline Dubbin, Inc., known for their high-quality fly tying materials. This particular product is dyed black, making it suitable for a variety of fly patterns that require a dark color. Perfect for fly tying enthusiasts looking to create effective and visually appealing fishing flies.