SUPON Pro CCD CMOS Optical Sensor Dust Jelly Cleaner Pen Cleaning Kits for Canon Nikon DSLR Camera This sensor cleaning kits comprises of dust-sticking bar and viscous cleaning paper. Dust-cleaning bar: the rubber bar head has viscidity, convenient for sticking dust, particle and oil pollution. It can effectively clean the DSLR's optical sensor, optical lens and other optical devices. Viscous cleaning paper: It is coated with non-shedding colloid material. It is helpful to clean the dust on the dust-cleaning bar. Peel off the sticker, and cleaning the dust-cleaning bar gently.