These Stabilo Swing Cool Fluorescent Highlighters come in 4 bold shades and is a smart, thin, space-saving pocket highlighter with a practical clip which fits perfectly in any pencil case. The pen has a non-slip, matte-finish grip zone which helps to highlight and emphasise important parts of your documents - it doesn't matter if it's on paper, copy or fax. These highlighter pens are suitable for the office as well as in school or simply at home. Plus, you don't worry if you forget to replace the cap! You are able to leave it off for up to 4 hours and the highlighter will regenerate once the cap is replaced.