Safe and easy to use: Super markers are completely safe because they are non-toxic, water-based, and acid-free. Kids, adults, art students and teachers all love our marker pens because they are fun, easy to use, and provide great visual effectsDouble tips: wide and delicate, suitable for precise highlight and underline. The 1mm/6mm brush allows you to write with thin and thick lines, providing excellent versatility and flexibility, allowing you to easily create various styles, sketches and patternsInfinite uses: When using these double-tip super marker pens, your imagination becomes vivid, because they are very suitable for drawing, writing, sketching, painting, painting, doodling, filling adult coloring books or anything else that allows you to show your creativity Side ofFull-color specifications: These pens cover a broad spectrum and can be mixed together to make your own unique colors, multi-purpose and different labels to help you store, organize, track, and share gifts or daily commodities.Item Name: Art MarkFeatures: double head/alcohol/comic sketch markerLength: 6.1 inches / 15.5 cmOptional Quantity:12 colors/24 colors/30 colors/36 colors/40 colors/48 colors/60 colors/80 colors/120 colors/168 colors Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.