Preuime Material: Made by TPU material , stain resistant not easy to stain, easily for carrying and cleaning.
Convenient: Directly install on filter , no need to screw on it, take off it fast, protecting lens filter from all round.
Scratch Resistant & Anti-Fall: Soft TPU materail, more professional on anti-fall, harmless for filter frame and filter glass.
Application: This filter lens cap only fit K&F CONCEPT variable nd filter, couldn't compatible other brands variable nd filter.
Note: This filter cap ONLY suitable for variable nd filter , couldn't be used on cpl+nd multifuctional filter, uv filter, cpl filter, fixed nd filter, black diffusion filter, magnetic filter and lens directly, before order the filter cap , please confirm your variable nd fitler size, 67mm filter cap only fit 67mm variable nd.