Microfiber is proven to remove 99.7% or more of tested bacteria. Multi-purpose cloth helps prevent cross-contamination and is ideal for cleaning hard surfaces. Towels are safe to use with a variety of cleaners and disinfectants. Launderable rags can be used wet or dry for wiping and dusting surfaces. Bleach safe for easy cleaning. Compatible with Rubbermaid Commercial Products spray bottles, caddies, and buckets. *(Based on third party testing with water only on VCT surface. Tested Bateria: Clostridioides difficile (C. diff), methicillin-resistant Staphylococcus aureus (MRSA), Pseudomonas aeruginosa. Not tested on COVID-19.)