new ENVIROSCRUB dual sided cloths by NORWEX....with BacLock Pack of 3 6.3 x 6.3" ROUGH side for gentle scrubbing without scratching SOFT Norwex Microfiber with BacLock on the other side Use with WATER or other Norwex cleaning products BacLock offers continuous protection against microbes and odors within the cloth. Inhibits bacterial odor, mold and mildew growth within the product