Choose from 4 colours and multiple pack options and mix and match to save money with multi buy. High on colour, the vivid, high-contrast shades add stark emphasis to highlighted text Armed with plenty of ink and a versatile chisel tip, they're perfect for all-day study sessions Smearguard ink technology resists smearing of many pen and marker inks (let ink dry before highlighting) User friendly, quick-drying and odourless AP certified formula  Fluorescent Yellow, Pink, Orange & Green