Designed for cleanroom use. Wipes are perfect for light to medium duty wiping applications and will not break down when wet. Monitored and tested to insure low levels of particulate matter, sodium and other heavy metals. Packaged in sturdy cleanroom dispenser plastic tubs that are ideal for clean storage and easy use. Will absorb many times its own weight in liquid. 9×9 sheets. 300/tub, 6 tubs/cs.