For a cleaner office, classroom, or home experience, these antimicrobial dry-erase markers provide maximum protection. A silver-based antimicrobial agent is integrated into the marker barrel and cap during manufacturing, and works to prevent the growth of microorganisms like bacteria, mildew, and mold. They featuring everything you love-bold ink laydown, contoured caps with built-in erasers. You can now feel better about sharing with classmates or coworkers.