This ND filter & CPL filter cover set is compatible with GoPro Hero 11 Black/ GoPro Hero 11 Black Mini/ GoPro Hero 10 Black/ GoPro Hero 10 Black Bones/ GoPro Hero 9 Black action camera which can be used directly on the camera without removing the self-lens mod. Each piece of the filter from YALLSAME has passed strict quality inspection which has the properties of high strength and high light transmission | Neutral Density (ND) Filter: The ND filter can reduce the intensity of all wavelengths or colors of light equally which is suitable for standard day photographs to blur water or cloud motion, add motion blur to subjects, and extended time exposures, etc. The package includes 4 levels of ND filter (ND 8, ND 16, ND 32, ND 64) for different conditions on the standard days | Circular-Polarizing (CPL) Filters: The CPL filter can reduce the glare from reflected surfaces, such as reflections from a coffee shop window, lake, or cloud. Help restore vibrant colors and details | Protective Lens Cap: Comes with a soft silicone lens mod cap for protecting the camera self-lens mod. (Not suitable for the ND filter or CPL filter cover.) | Package Includes: 1x ND8 filter, 1x ND16 filter, 1x ND32 filter, 1x ND64 filter, 1x CPL filter, 1x Lens Cap, 6x Safety tether, 1x Clean Cloth. (Tips: Loop the filter with the safety tether to the camera mount in case of loss.)