UV2 Marabou is enhanced with both UV-Fluorescent and UV-Reflective properties. These properties not only make the marabou more visible to the naked eye, but also more visible to fish. UV-R occurs naturally in the wild, many birds and insects such as Mayflies, utilize this attractor to select stronger healthier mates. Spirit River has enhanced their line of UV2 products with this naturally occurring attractor. Qty per pack: 1 UV2 Marabou is made in the U.S.A.