Expo Neon markers can be used on both black and white dry erase surfaces and are visible from a distance. The ink is ideal for use in both the classroom or the kitchen. Colors include 1 each of pink, orange, and yellow, green, and blue.Details: Includes assorted neon colors 6 packs (5 markers per pack, 30 total markers)Bullet tip Nontoxic Conforms to ASTM D-4263 standards For ages 8 and up