PREMIUM QUALITY & DURABLE: These microfiber glass cleaning cloths are 320 GSM one of the heaviest and thickest microfiber shiny glass cloths out there. The cloth is made of glass fibers has high tensile strength, dimensional stability. PACKAGE & MULTI-PURPOSE: Pack of 6 with perfect size 16âł x 16 will last longer. Perfect to use as a cleaning cloth for glass cleaning, kitchen, bath cleaning, eyeglass, screen, lens, mirror, polishing cloth and as the perfect car window cleaning cloth. MACHINE WASHABLE & EASY CARE: These cloths are perfectly machine-washable, dry fast, and do not use bleach. Microfiber cloths can be washed and reused hundreds of times without losing their efficacy. Color fading and shrink will not happen all the time even after thousands of washing.