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 finish, 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/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 + optical glass Package Contents: 4 x Lens Filter(One each for ND8/16/32/64) 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.