Ohuhu Dual Tips Art Sketch Twin Permanent Marker Pens, Highlighters With Carrying Case For Drawing, Coloring, Highlighting And Underlining, 36 Colors Dual tips: Broad and fine twin tips for precise highlighting and underlining, for drawing with both 36 vibrant colors: The highly pigmented and vibrant markers are built to last against fading Fast drying: Easily layer and mix different colors without worrying about smudges and blotches High quality: Marker pens are highly pigmented, allowing you to color in at least 984 ft. Color-coded caps & bonus case: The color-coded caps allow for ease in organization