These 16mm sensor cleaning swabs are specifically for aps-c sensors measure 23.6mm x 15.6mm. And with these tools with you at all times, you will notice a huge improvement in your photos. Features: Altura Photo 16mm dry sensor clean swabs - 6 individually wrapped, vacuum-sealed, lint-free sterile fabric sensor cleaning swabs. -specifically for aps-c sensors. Altura Photo all natural 2oz. does not contain: alcohol, ammonia, solvents, surfactants, detergents, and or vocs. Magicfiber microfiber lens cleaning cloth - ultra-gentle, extremely fine microfiber leaves zero scratches, streaks or marks. - 1 extra large black 16" x 16" - 1 grey 6" x 7", Included accessories: - Altura Photo air blower, lens cleaning pen, lens cleaning tissue paper (50 sheets), and cleaning brush compatibility compatible with, but not to the following cameras: - Canon: eos rebel t3, t3i, t5; eos 70d, eos 80d -, Nikon: d3200, d3300, d5300, d5500, d7200, d500, Sony: nex-5n, a3000, a5000, a6000, a6300.