Designed by Crizal for Crizal anti reflective lenses. Crizal Microfiber cloth is superior to standard fibers cloths for many cleaning applications. More surface area, and the smaller fibers can get into cracks and crevices too small for other cloths. Also, the split fibers add cleaning power. Our multi pack of 7" x 5 3/4" individually wrapped cloth will last you for years. Our fabric is so strong, regular machine washing will not damage it. The perfect accessories for all anti reflective surfaces. Keep a pair in each room of the house or office, boat or vacation home.