Chalk Markers with Water-Based Neon Liquid Ink that Writes Stays and Wipes off easily on any Non-Porous surfaces like Glass Plastic WhiteBoard and Tiles. Get an 8pc-pack 4.5mm bullet tip markers by SLQ-Products to express your creativity today! Home Handy Tool - You can write on any non-porous surfaces like glass, whiteboard, plastic and tiles. The bright colors will definitely get the attention of your target audience! Easy Clean Up - After the ink has dried, it does not fade on touch. The ink can yet be cleaned off easily from the non-porous surfaces with a piece of wet tissue or damp cloth. Safe for All, including children - Ink is odourless and safe to skin. It conforms to EN-71, ASTM D4236 standards. Great Consistent Quality - High Quality Bullet Pen Tip from Japan that gives fine control and smooth writing. Pen cap clicks on easily to prevent drying.