edding 4090 Chalk Marker Chisel Tip 4-15mm Line Assorted Colours (Pack 4) - 4090-4999A marker shaped pen filled with liquid ink is much easier to handle than a traditional piece of chalk and no more messy hands. With edding chalk markers, creating professional, stylish lettering is really easy. There are 10 vivid colours to choose from, including 4 that glow under UV light: white, neon yellow, neon orange and neon pink. The broad chisel nib works well for writing and artwork on larger areas. edding chalk markers are popular for