15X Mini Lens Filter for 9 Hero9 Action CameraDouble-sided multi-layer coatingThe double-sided multi-layer anon-coating design offers high-quality waterproof, oil-proof, anti-staining and scratch-resistant properties to the lens.Easy to installScrew off the lens of and install the new lens filter.Premium Optical Glass. The lens filter is made of optical glass that can enhance the durability of the lens and bring excellent experiences.PS: Not including the camera and other accessories.Colour:blackMaterial:Lightweight aluminum + optical glassSize: 70 x 80 x 14mmPackage Contents:1 * 15X macro lens filterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.