Each of the five Norwex antibacterial Microfiber cloths in our Travel Pack removes dust, dirt, and grease from all washable surfaces using only water—no chemicals! These super-absorbent, compact EnviroCloths trap dust particles inside until they are rinsed out. Then BacLock®* in the cloth—our micro silver antibacterial agent—goes to work to self-purify and inhibit bacterial odors, mold and mildew growth within each cloth.