Westcott uses recycled material in the designs of our KleenEarth products and packaging. These rulers are made with 70% recycled and all packaging is also recycled. Built-in antimicrobial technology, Microban protection provides an added level of cleanliness by preventing bacteria that can cause stains and odors. Microban protection that NEVER wears off. Ideal for shared/common areas such as office, classroom & break room. Look for more KleenEarth products including scissors, pencil sharpeners and trimmers!