This kind of Optical Cleaning Cloth is very effective to remove fingerprints, smudges, dirt and dust from the glass without scrtching the expensive coatings. No chemicals are ever needed. It is also used for cleaning high-techsurfaces, such as CD’s , DVD’s, software, LCD screen and etc. Composition: 75/25 blend of Polyester and Polyamide. Weight Range:180 g/m2--280/m2 Standard Size:18×18cm More information please search our Websit: