Prematex™ lens cloths are ideal for heavy-duty cleaning or wiping when durability and reusability are needed. Their entangled fiber technology combines absorbent cellulose and polyester fibers in a solvent-resistant mechanical bonding. Machine-wash-able for reuse, Prematex™ is a low lint product which is highly absorbent in water, grease and oil, making it excellent for cleaning lenses and all types of optical components, as well as many other products and surfaces.