and and The lens paper is designed to gently clean cameras or microscope These lens tissues will help keep your valuable optics free of smudges and fingerprints, which can prevent accurate viewing Provide with an outstanding effect in removing fingerprints and stains on lens Perfect for cleaning the surfaces of camera, camcorders lens and microscope Ductility of cotton paper prevents lens from being scratched Excellent clean effect after blowing off dust on the lens with air blower Soft thin lint-free tissue, good for touch feeling The package contains 50 sheets of tissues Specification: Material: Paper Size: 10*7.5 for cm / 3.94\"*2.95\" (Approx.) Color: White Quantity:1 Pc How to use: Before using the paper, blow excess dust off the lens and tear a sheet of paper Roll it into cylindrical shape, tear it into two pieces, and then use the lint to gently clean the lens Note: Please be reminded that lens cleaner fluid are not suggested to use, which may result in influencing optical imaging effect when use it too often. Size for manual measurement, there may be a 0 to 1 for cm error, belongs to the normal phenomenon.