NO MORE CHALK DUST: The Securit Chalkmarker Pens are a high-quality, non-toxic, non-smudging and dustless solution to your average chalk. Create intricately detailed learning text, promotional offers or menu displays with the small nib liquid chalk pens.MARKER PEN SET: A set of 4 liquid chalk pens in a handy wallet with a 2-6mm medium nib for a detailed blackboard display. The classic white chalkmarker provides precise drawings on black boards, green chalkboards and non-porous surfaces.EASY TO USE, EASY TO CLEAN: Activate the chalk pens by shaking them, press the nib to bring the ink to the surface, and enjoy your chalkboard design. When dry, the markers are non-smudge and can be easily cleaned with a sponge and water or with our Securit Chalkboard Marker Cleaner Spray.USE ON LOTS OF SURFACES: The chalkboard marker pens work on Wet Erase or Dry Erase boards, chalkboards, blackboards, glass, metal, plastic and much more! Great for the classroom, home office or kid's nursery.ABOUT SECURI