These are a great general purpose cleanroom wipe. These wipes have sealed edges that deliver the low particles, fibers and NVRs (nonvolatile residue) as other dependable polyester knits, but priced for value. They are great for general cleanroom wiping, applying and removing solutions and maintaining cutting-edge equipment. Recommended for ISO 4-8 controlled environments. Most popular with pharmaceutical production. 9”x9” 150 wipes/bag 10 bags/case (1,500/case)