Emphasis pen-style highlighters feature a unique patented "Thumb Button Cap" for one-handed cap release. Each highlighter features Microban antimicrobial protection that lasts the lifetime of the product. Built-in antimicrobial protection continuously fights the growth of microbes, such as stain-causing, odor-causing bacteria. Use molded chisel tip for highlighting and underlining. Bright fluorescent ink is quick-drying and will not bleed through paper.