Unique, patented, dual-purpose microfibre,2-in-1, Double Ply, Double-sided for ease of use,Use side 1 (dark blue, high density, super absorbent) for cleaning and polishing metal surface.Use side 2 (light blue, special tight-weave microfibre) for glass cleaning.Dual purpose: clean the car body and glass with one towel.With anti-snag, soft satin-reinforced edges.Extremely long-lasting, rinse and re-use several times, machine-washable