Keep clean with Chalk-O-Rama Dustless Chalk Crayons. They give you the freedom to write on almost any surface with no mess. Just twist up and go. Set of 12 Chalk Sticks That Work on Many Surfaces. Feels Like a Waxy Crayon. Permanent on Porous Surfaces. Wipes Off Easily on Non-Porous Surfaces. Encased in Plastic Barrels with Twist up Action.
