DSTH3 400 Sheets Lens Cleaning Paper Tissue Cleaner for Video Camera Lens Telescopes Microscopes (with 40 tissues in each) Package includes: 10 x Lens Tissue Sheet Booklet (with 40 tissues in each) Soft,water-absorptive,Strong Dust-removing Material:superior cotton paper, 400 Sheets in total Water-absorptivity and ductility of cotton paper prevents lens from being scratched in course of cleanness It specially use for cleaning cameras, lenses, projectors, telescopes, microphone, Laboratory apparatus, optical and mechanical instruments, etc