9 IN x 9 IN white polyester & cellulose nonwoven cleanroom wipes, 150 PK per bag, designed for use in ISO Class 5 cleanrooms, lint-free, low particle shedding, suitable for wiping delicate surfaces & equipment in labs & cleanrooms, absorbent material picks up spills & removes contaminants without leaving residue, laser cut edges prevent fraying, sterile & individually packaged.