1.Made of high-definition optical glass, it has no impact on image quality, providing low refractive index to restore wonderful moments. 2.Filters for 9 / for 10 / for 11 / for Mini / for 12 / for 13. 3.It is compact and , making travel burden-free. 4.The Rubber ring inside the frame effectively isolates water droplets and moisture, protecting your lens from damage in underwater, rainy, and humid environments. 5.The aluminum frame is laser engraved with a matte finish, which has strong resistance and is not easily affected by factors such as humidity and oxidation. Note: This filter is only suitable for 9 / for 10 / for 11 / for Mini / for 12 / for 13 cameras, please check the camera model before purchasing correctly, thank you! Colour:Photo Color Material:Aluminum alloy + optical glass Package Contents: 4 x Lens Filter(One each for ND8/16/32/64) Only the above package content, other products are not included. Note: Light reflection 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.