Extended-use cloths feature high-tech， HydroKnit fast-absorbing material for reliable performance whether you're cleaning up grease or soaking up spills. These durable， contaminant-free commercial cloths are a favorite replacement for industrial cloth towels that can harbor dangerous chemicals， such as lead. Soft pulp fibers are bonded to a polypropylene base sheet for absorbency and durability， making them suitable for removing dirt， oil， grime and solvents in industrial and manufacturing businesses. Reusable cloths are reinforced for strength when wet and dry. These bulk cloths are a great alternative to replace laundered rental shop towels or and cleaning towels. Use them for heavy-duty machine-wiping and part-wiping， wiping metal shavings， prepping surfaces with solvents and cleaning rough surfaces.