1. Sensor cleaning swab size: 16mm (0.63in), sensor cleaning swab perfectly fitting the APS-C sensor. 2. Soft microfiber swab, no scratch, let clean more assured. 3. Mini air blower: designed specially for removing the dust particles on the surface of the lens, hot-shoe and zoom ring. 4. Lens cleaning pen: The lens cleaning pen is designed with a double tip, which is flexible to use and can be carried around. Lens cleaning pen tip made of activated carbon powder tip, effectively absorbing fingerprints and grease. The lens cleaning pen has filament brush, which can clean the dust on the lens and the crevices of the zoom ring. 5. Free-alcohol lens cleaner: Uses the power of ultrapure water to clean without leaving streaks or blemishes. Safe for all electronics, coated lenses and screen.