-Solid Processed. -No Unpleasant odor as it is criticized for its competitors. -Eignet Ideal for removing loose-fitting dust inside and outside of camera, lenses and all kinds, other accessories. However, exercise care when cleaning the sensor, here can also be much wrong. For sensor cleaning other cleaning methods are preferable in any case. Youtube has on this issue a wide variety of tutorials (Tags: Sensor Swabs / wet cleaning camera sensor). -Also Great for traveling to rough cleaning. Is relatively easy, but it will first a place in the camera bag can be found due to its volume. With extensive, long photo tours, but also for the Gebraucg home definitely a highly recommended Zubehhör. -It's Just the original - Therefore, it has a corresponding price, but also a very good quality! More can not be expected from such a product.