UES DSLR Camera Sensor Cleaning Kit 4-in-1 Set: 6 x APS-C Type Sensor Cleaning Swabs, Hurricane Air Blower Cleaner, Camera Sensor Cleaner 30ml + 4 X Clean Finger Stalls The patent cleaning swab head is extremely soft, no damage to your sensor The width of swab is 16mm which is compatible to APS-C frame sensors The powerful cleaning liquids are specially formulated for digital camera sensor cleaning. It is 100% non-toxic and non-alcoholic formula. It dries quickly Hurricane air blower has super soft nozzle preventing accidental damage in case of contact with lens, sensor and other delicate parts The air blower is made of environmental friendly silica gel which is non-toxic and odorless