These dry erase markers are low odor but feature bold, bright vivid colors. Making sure that all your work can be seen, whether you are at the back of the class or boardroom! These dry erase markers can be used on dry erase boards, glass or any other dry erase surface. Markings will wipe away cleanly and easily using either a dry erase eraser or cloth. These barrel style markers have chisel tips and are AP Certified, NON-Toxic, conforming to all ASTM D-4236 standards. Each pack includes 12 markers. Sold as 3 packs for a total of 36 markers.