This is a glasses cleaner made from Tosa Washi, a type of paper made from the clear Niyodo River in Kochi Prefecture, known as the most beautiful river in Japan. It is durable and has amazing wiping properties, and is even used for the final cleaning process in lens factories. In addition to glasses, it is also suitable for cleaning LCD glass surfaces and camera lenses, and can be used repeatedly. *The back side of the printed surface is the wiping surface. Instant purchase is OK.