1.Made of high-definition optical glass, it has no impact on image quality, providing low refractive index to restore wonderful moments. 2.Double sided coating makes the easier to clean. 3.It is compact and , making travel burden-free. 4.The rubber ring inside the frame effectively isolates water droplets and moisture, protecting your for Pro 2 lens from damage in underwater, rainy, and humid environments. 5.The aviation grade aluminum frame is laser engraved with a matte , which has strong resistance and is not easily affected by factors such as humidity and oxidation. Applicable models: For Pro 2 Note: This filter is only suitable for cameras, please check the camera model before purchasing correctly, thank you! The printing or appearance from batch to batch, but it not affect the use the actual product may have color difference due to different light or display. Colour:Photo Color Material:Aluminum alloy and optical glass Package Contents: 4 x Lens Filter(One each for ND8 or 16 or 32 or 64) 1 x wrench 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.