70% IPA/DI hydroentagled polyester cellulose. A versatile all-purpose cleanroom wiper that gives you the confidence of absolute cleanliness due to it being validated sterile. They are great for cleaning production equipment for aseptic processing as well as wiping sterile barrier isolators and laminar air flow units. Recommended for ISO 5-8 controlled environments. Most popular with medical device manufacturing, pharmaceutical manufacturers and compounding pharmacies. 9”x9” 30 wipes/bag 27 bags/case (810 wipes/case)