Ages 4+. Handles infused with Microban protection to inhibit the growth of bacterial odors. Safety blades. A teacher recommended brand! Since 1872. Protected with Microban antimicrobial product protection. Westcott School Products are designed with the student in mind. All our products are created to be both highly functional as well as fun to use through exciting colors and design. How does Microban technology work? Contains an antimicrobial ingredient to prevent microorganisms from degrading the product. Designed in the USA. Made in China.