Sevencolor&reg;original Brand Chalk Markers Pass En71 Certification - Set of 8 Neon Color Pen. Used on Chalkboards, Window, Labels, Bistros, Ceramic, Glass, Metal Surfaces, Whiteboards. Water Based Wet Wipe Ink Pens - Fine Tip, Odor Free, Writes Smoothly, Quick Dry, Washable Wet Erase Paint Marker, Eco-friendly Liquid Chalk - 6 Mm Reversible Tip.