I think of Polaroid ...

.. I think actually of quality. Here, however, I was not at all satisfied, on the pole filter was eg peeling seen at the edge, which made their bemerbar also in the picture. The set comes in a bag, in which the 4 filters are packed in disposable blister. Doses to the usual storage are not there. If necessary, fast a dusty matter and meets or even subject to other low-cost suppliers from China / HK, since the processing of these (have another set of 68mm- KIWI) is not worse or better. Here the buyer pays well primarily only the name PLOAROID.