Premium quality ND filter for GoPro Hero 5, 6 and 7. Available in ND4, 8, 16, 32 and 64. Super high quality, stick-on neutral density filter for GoPro Hero 5/6/7 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. High quality, 1mm thick hardened glass that is nano-coated for: anti-scratch repels water repels fingerprints anti-glare Whether you are using the ND filter for FPV drones, mountain biking footage or other action videos, this will give you that smooth as silk, cinematic motion and reduce or eliminate jello. ND transmission ND4 (ND 0.6) 25% transmission (cloudy, overcast) ND8 (ND 0.9) 12.5% transmission (some sunlight) ND16 (ND 1.2) 6.25% transmission (bright sunlight) ND32 (ND 1.5) 3.125% transmission (very bright