This anti fog spectacle cloth is made of suede, which is a little better than microfiber. Using it to wipe glasses can play an anti fog effect, and each anti fog can reach more than 12 hours. No residue and no hair loss. It can protect the film and repair small scratches on the lens. The spectacle cloth can be reused for more than 300 times. It can wipe glasses, mobile phones, Zeiss lenses, helmets and other occasions, so that you can avoid fog in winter, which is convenient and practical. 6" L x 6" W.