* Many photographers have filters with different functions, such as Graduated Filters, Neutral Density Filters, Circular Polarization, etc. The filter storage is usually a problem when you use it, since it often gets scratched, damaged by improper preservation. So it is worthy to prepare a safe, portable storage box * Nisi square filter box can place 8 square filters at the maximum. It is convenient, practical, and suitable for photographer who works outside. The external material adopts durable and fine leather * The internal material is independent slots can be removed. Feel good, thick and has good protection for filters