Cleaning lenses is a delicate process. It can be easy to end up with a scratched lens if you aren't careful. The only reliable way to clean such a vulnerable surface is with lens cleaning tissues such as these. The soft fabric is designed with these surfaces in mind so you can polish without fear of damaging precious equipment. This pack is good to have on hand in the lab studio or home.100 leaves of soft non-abrasive lens cleaning tissueTissue leaves measure approximately 5.5"" x 3.75"" (approx. 14 x 9.5cm)Use tissue to clean lenses filters or polished glass surfacesNo better way to clean cameras microscopes or spectrometersPerfect to have on hand in the lab or at home