8" x 8" cloth with over 100,000 fibers per square inch! Each fiber strand is 10 times finer than silk and 100 times smaller than a human hair. It's as soft as the finest silk, yet extremely durable. Great for Coins, Jewelry/Coin Loupes, Camera Lenses, Watches, Crystal, Gold or Silver Jewelry, Musical Instruments and many more uses! Safe for all fine optics and lenses. It's reusable and contains no chemical additives. We also carry of a full line of coin cleaners to use with your cleaning accessories including eZest coin dip, KoinSolv, Leuchtturm, Nic-A-Lene and Coin Care.