As one of the leading chalkboard product lines, we’ve decided to bring you the very best chalk markers on the market. We are confident that our liquid chalk marker set is the perfect choice for your home or business! Unique 3-in-1 Reversible Tip: Our high-density reversible chisel and bullet tips are ideal for both fine and bold work! Choose between 6mm, 3mm, and 2mm writing options to create the perfect piece of art. We've gone to great lengths bring you the highest quality components enjoyed by artists, crafters and kids alike. Green Production: These eco-friendly chalk paint markers are made with non-toxic water-based ink. They are dust free, odorless and dry quickly. Produced with eco-friendly material, our chalk markers can be used safely by children and adults. Perfect For Use On Non-Porous Materials Such As: • Chalkboards (Non-Porous) • Whiteboards • LED Boards • Bistro Boards • Glass • Car Windows • Mirrors • Coated Ceramics • Metals • Vinyl • Chalk Labels • Plastic. Easy Clean Up: Cleans effortlessly with a damp cloth when used on the recommended non-porous surfaces. Remember to test your surfaces & season your chalk boards before use.