Product Details:Built-in Microban, antimicrobial product protection. Fits Quickie No. 041 &047. Fights odor-causing bacteria, mold and mildew! Lifetime Antimicrobial Protection. Wipes, mops, sponges and the products we use to clean our homes can become breeding grounds for microbes. Microban antimicrobial product protection inhibits the growth of odor causing bacteria, mold, and mildew. Microban protection is built-in during manufacturing, so it provides continuous antimicrobial protection that won"t wash off or wear away for the life of the product. Super absorbent cellulose sponge. Scrubber strip included (use with No. 047 only). Made in USA