?What You Get?Package includes CPL, ND8, ND16, ND32, ND64, ND1000 filters in a small protective hard plastic case. Note: Only the glass surface is water resistant; The filter cannot be used in water. ?Easy to Use?Unscrew the original filters counterclockwise, then turn the filter clockwise to allow a quick swap to another filter. This filter kit helps to get crystal clear pictures and videos efficiently during climbing, cycling, skydiving, etc. ?Reduce Lens Flare?Neutral density filters reduce light to decrease the chance of overexposure. Polarizer filter increases contrast while eliminating reflection and glare. The CPL Filter is at a preset level and can prevent unnecessary glare from reflecting surfaces (such as water, snow and even glass windows) without rotation. ?Multi Coated Glass?Premium 18 layers of multi resistant coatings for a flawless appearance to reduce lens flare and avoid vignetting. ?Widely Compatibility?This ND Filter Kit is compatible with Hero 9 10 11 Black.