Black Flys Fly No 9 is a Full Rim frame for Women, which is made of Injected Nylon.Nylon is a thermoplastic material that is blended in order to counteract its initial brittleness. Nylon blends are lightweight, stable, and resistant to breakage. Nylon has less of a tendency to "bleed" it's plasticizers resulting in great hypoallergenic properties. This model features a Wrap Around/Rounded Edges shape, with a Single Bridge.The Black Flys Fly No 9 Sunglasses feature the following logo: Metal Oval Black Flys Script PlaqueThese Sunglasses work well for people whose style is: Classic, Stylish Designer.Ideal for usage with: Fashion, Everyday Driving.Black Flys Fly No 9 Sunglasses come with a cleaning cloth and protective carrying case.The sunglasses are available on certain colors with gradient tinted lenses - Gradient tints are tints that start off at a darker color at the top of a lens and then gradually lighten towards the bottom of the lenses. These tints are great for fashion and for reading outside on sunny days. Gradient coatings work by allowing an appropriate amount of light to filter through in certain areas and less in places where protection is most necessary.