Microfiber Cleaning Cloths from Zeiss will help you remove various contaminants from your optics and help keep them clean and bright. The fine microfiber material removes lint, dust, dirt, and fingerprints. The set contains four cloths. Three measure 7.0 x 7.0" (18.0 x 18.0 cm). The fourth measures 11.8 x 11.8" (30.0 x 30.0 cm).