This is a deluxe HEAVY DUTY reusable cloth that will SAFELY clean all CDs, DVDs, eyeglasses, optic lenses, jewelry, cell phones, laptops, tablets, monitors - plus a lot more (all polycarbonate a.k.a. plexiglass surfaces)! These will not scratch your discs (unless you contaminate it). The cloths are made of 100% High Density Microfiber, and come in a resealable bag to keep them safe from dust and dirt - and they're machine washable!