Silicone-treated, chamois deerskin made from wild deerskin Kyon 5.9 x 5.9 inches (150 x 150 mm) (1 piece); Removes all kinds of dirt from glasses, watches, precious metals, and arts, and does not wipe off. Long lasting cleaning effect and if the leather gets dirty, you can wash it and use it repeatedly. Since it is processed from natural animals, there may be individual differences in thickness, color, texture, and surface texture. In addition, there may be scratches caused by Kenka or injury, but there is no difference in the performance of the chamois leather. About silicone processing: Kyons skin fiber is extremely thin, so tanning, it provides a soft and powerful wiping effect, but it will adhere to the wiping object, making it difficult to use. By applying silicone processing, it can be wiped clean even while sticking to it. In addition, since the chamois fibers penetrate into the chamois fiber, the front and back does not lose its effectiveness even when washed with water.