Pure 100% continuous filament polyester fiber knit construction. Versatile wet or dry, extra high absorbency and durability. Recommended for ISO 4-7 controlled environments. Most popular with pharmaceutical, biotech, medical device manufacturing and semiconductor manufacturing. 9”x9” 150 wipes/bag 5 bags/case unlaundered (750/case) or 12”x12” 100 wipes/bag 4 bags/case unlaundered (400/case)