Just for kids! Safe, non-toxic Super Washable Markers ! Set comes with 24 markers. Bright, fun colors for all kinds of art projects. Conical tips allow for coloring with thick strokes or drawing with thin lines. Non-toxic washable ink. For ages 3 and up. Each marker measures 6.4” long x 0.4” diameter. Reusable box keeps markers safe and organized. Box measures 5.5” x 6.5” high x 1” deep.