Face Mask at Online Store
If you want your k95 mask to work, you must wear it correctly. Put it on your face and tie it properly. You do not wish to gaps or holes around the edges of the masks. Such differences may provide easy access for virus or germs; please note that the air you breathe surrounds your mask filter.
If you want to buy the re-usable masks then you can visit their site. They can give you a wide range of option as per your choice. You can also order a bunch of masks for long-time usage.