The Norwex antibacterial Microfiber EnviroCloth removes dust, dirt and grease from all washable surfaces using only water—no chemicals! Norwex Microfiber has the ability to remove up to 99% of bacteria from a surface when following the proper care and use instructions. Our super-absorbent EnviroCloth picks up dust particles and traps them in the cloth until you rinse it out. Then BacLock™* in the cloth goes to work to self-purify and inhibit odors from bacteria, mold and mildew growth