Chalk Markers for Chalkboard by VersaChalk (Reversible Tip, Neon) - Erasable Dustless Water-Based Non-Toxic Liquid Wet Erase Pens PROFESSIONAL QUALITY INK: We use the finest ink from Germany that dries in seconds. It doesn't easily smudge once it is dried but can easily be erased with a clean and damp cloth ULTRA VERSATILE: Experience the freedom to write on any non-porous surfaces such as chalkboards, plastic, metal, glass, vinyl, and slate ERASE EASILY: Wipes away cleanly from non-porous surfaces with a damp cloth. CAUTION: Does not work with chalkboard paint. Not all surfaces are non-porous. Always test first EXTRA DURABLE REVERSIBLE TIPS: While other brands of markers have tips that fray easily, VersaChalk's high-density reversible marker tips are built for professional use. Our REVERSIBLE TIP allows you to write in fine and bold lines - just flip the tip over to switch between bold and chisel tips NON-TOXIC, ODOR AND DUST-FREE: Odorless, washable ink is amazing for indoor and outdoor use. It's also perfect for kids chalkboards glass slate vinyl plastic metal