Feature: 1. UV Filter: UV filter can effectively reduce the blue tint caused by ultraviolet light, increase the light transmission, so that the picture quality is clearer, but also a lens protection filter. 2. Multi Layer Nano Coating: The multi layer nano coating process gives the lens prime waterproof, oil proof, dirt proof, and scratch proof performance to protect your lens. 3. Anti Slip Gear Fesign: The top and bottom of the frame is equipped with knurling pattern, easy to install and remove. Installed without damaging the original lens, replace the filter at any time, so you do not miss the wonderful moment. After the installation of filters will not affect the waterproof case installation and use. 4. Ultra Light Frame: Aviation aluminum frame material, no impact on the shooting, fastening durable corrosion resistance, long service life, black matte surface frame, to prevent light leakage ghosting; optical glass lens, precision grinding and polishing, high definition imaging. 5. Compatible With Many Models: Suitable for 9 10 11 Sports Cameras, bringing a good user experience. Specification: Item Type: UV Filter Material: Aluminum Alloy Optical Glass Applicable Models: for 9 10 11 Weight: 36g / 1.27oz. Package List: 1 x UV Filter1 x Storage Box1 x Wiping Cloth Note: Cleaning Instructions:If the lenses are contaminated with dust, water droplets or other contaminants, whether or not they have been eliminated, please keep in mind the following instructions for use1. First blow off the dust from the surface of the lenses;2. Clean again with a clean brush;3. Wipe gently with the filter cleaning cloth delivered;4. Use a special lens cleaning solution for better results;5. Put it in the special storage box when not in use.