In addition to cleaning glasses, it can also be used to clean smartphone screens and jewelry. It can withstand washing for everyday use, but using a dryer may cause the color to fade. Also, the color may fade over long-term use (especially from sun exposure). To prevent color fading, be sure to hang it to dry in the shade. *There are slight wrinkles on the back, but this is part of the product's specifications. Approximately 15cm x 15cm #GlassesCloth #MultiCloth #Puli #Dog #MopDog