Good workmanship, protect the lens, easy classification, simple use, easy to store. | There is no need to put a lot of lenses in the camera bag, and it is easy to find it. You can easily find the filter you want by taking out the filter bag. | This case is made of nylon material, can hold 37‑82mm circular filter and square filter. | After putting the filter into the filter bag, it can be folded up for easy carrying. | Can be loaded with commonly used sizes, round filters and square filters of various sizes.