Super high quality, stick-on neutral density filter for GoPro Hero 8 and Hero 9 made from top quality optical glass. It uses a unique peel-and stick backing that you can remove and re-apply over and over. If the adhesive gets dirty, you can simply wash it with water to rejuvenate it!  The adhesive only covers the edges of the glass so it does not impede the crystal-clear quality. Anubis RC ND filter for Gopro - ND4 ND8 ND32 Unlike other ND filters for the GoPro Hero 8/9, these do not need a special bracket or mount. High quality, 1mm thick hardened glass that is nano-coated for: Anti-scratch Repels water Repels fingerprints Anti-reflection Because it attaches directly to the lens, it fits almost all mounts. Whether you are using the ND filter for FPV drones, mountain biking footage or other action video, this will give you that smooth as silk, cinematic motion and reduce or eliminate jello.