Use liquid chalk markers on whiteboards, chalkboards, bistro boards, slate, LED boards and more. Non-toxic, dust-free, odorless and eco-friendly with hangtag for easy display. Liquid chalk markers are a new, fun way to tell a story - write, draw or advertise with bold, bright neon liquid chalk. Bistros, boutiques, and brides love them for DIY signage for weddings + bridal showers - use them to write menus, seating charts, wedding hashtags, and more. Reversible tips allow for drawing fine or bold lines.