Uni-Paint PX-20 Oil-Based Paint Marker, Medium Point,  Silver How to use: To use the fluorescent marker pens you must shake well to activate with the cap in place. Once shaken well, remove cap and press the tip to the surface a few times until the tip fills with ink. Do not over pump. Please do not touch your mouth, nose and eyes, keep it away from children. Place cap back in place and ensure it is on tight after use. Store horizontally. Easy to clean with tissue paper or a damp cloth. 8 Colors: Yellow, Green, Red, Blue, White, Pink, Orange, and Purple Fluorescent markers, it's actually liquid chalk and glass markers, it can use in markerboards, fluorescent marker boards, glasses and windows! Make your menu's word Colourfully and Shiny! It works as same as normal marker, and dry quickly and becomes bright solid color ! Features: Fluorescent markers, it's actually liquid chalk and glass markers, it can use in markerboards, fluorescent marker boards, glasses and windows ! Make your menu's word Colourfully and Shiny! It works as same as normal marker, and dry quickly and becomes bright solid color ! Easy to clean with tissue paper or a damp cloth. New and high quality