Neewer Complete Neutral Density Filter Kit for Cokin P Series Filter System, Kit includes: (3)Full ND Filter Set(ND2, ND4, ND8) + (1)Filter Carrying Pouch Kit includes: (3)Full ND Filter Set(ND2, ND4, ND8) + (1)Filter Carrying Pouch The kit is one of the least expensive and most effective ways to dramatically improve your shots The full ND filters(ND2, ND4, ND8)reduce the amount of light reaching the film without affecting the color. Can be used to enable slower shutter speeds The filter carrying pouch has clear inner lining for quick and easy access. The ND Filter Kit is compatible with Cokin P Series