Antimicrobial protection. Continuous protection of the brush bristles. Antimicrobial Protection: Clorox cleaning tools have antimicrobial protection against odor causing bacteria. The antimicrobial material is built into the brush bristles, providing continuous protection that won't wash off or wear away. Warranty: Limited warranty up to 1 year. For details go to www.cloroxtools.com/warranty. how2recycle.info. Toll Free Customer Support: 1-800-320-8045 9 a.m. - 5 p.m. EST. Made in China.