Comfort grip. Continuous protection of the brush bristles only. Antimicrobial protection. Clean is just the beginning. Antimicrobial Protection: Clorox cleaning tools have antimicrobial material built in, providing continuous protection of the brush bristles only that won't wash off or wear away. how2recycle.info. Toll Free Customer Support: 1-800-320-8045. 9 a.m-5pm EST. Made in China.