Proven to remove 99% of microorganisms. High-quality, dense, ultra-fine microfiber removes bacteria, making cleaning quick and effective. 100% split microfiber picks up and holds dirt, dust and grime. Removes up to 80% more dust and dirt than traditional cotton dust mops. Double-bound edges for durability. Machine-washable pad withstands more than 500 washings, 200 with bleach. Improved hook-and-loop backing attaches securely to pad holders. Microfiber pad holders, handles and mop buckets (sold separately). Promotes green cleaning and water conservation. Contribute to LEED points. Green cleaning with microfiber products provides superior cleaning efficacy, reducing chemical and water usage. Proven to clean floor 45% better than string mops. Provides optimal damp mopping performance. Bleach safe. Blue. 12 pads per case.