Vktech New Camera CCD CMOS Optical Sensor Dust Cleaning Kit Jelly Cleaner Pen This cleaning kit comprises dust-sticking bar and viscous cleaning paper Dust-sticking bar: for cleaning optical sensor; the rubber bar head has viscidity convenient for sticking dust, particle and oil pollution Viscous cleaning paper: it is coated with non-shedding colloid material having viscidity higher than that of head of dust-sticking bar and is used for removing pollution stuck at the bottom of the rubber head of the rubber head of the dust-sticking bar.