... "*6", 9"*9", 12"*12" Classs: 100, 1000, 1000 Cleanroom wipes Description: the lowest contamination levels at an economical price, Effiiently ... edge (HSE), ultrasonic sealed edge (UCE) . Material : 100% Polyester Knit Wipes,Double Knits Size: 4"*4", 6"*6", 9"*9", 12 ...