These 9 x 11 clean room wipes are 100% polypropylene in a pre-saturated solution of 70% isopropyl alcohol and 30% deionized water within a convenient resealable pouch. The wipes have four clean-cut edges and are comprised of a 100% melt blown polypropylene. This fabric creates a tough and abrasion resistant wipe while minimizing particle generation and providing a consistent application. These unique features make this product a very effective wipe for many applications within the life science industry.