Dual Tip Design: These dual tip markers are the must-have for your Art Project. Broad and fine twin tips are perfect for your different demand. They can be used for drawing, sketching, illustrating, shading, designing, rendering, manga and more. With these marker pens, you can draw both thin and thick lines, create various creative styles. 48 Vibrant Colors: These highly pigmented markers are designed to last against fading. These permanent makers provide you large amount of ink, all 48 colors can be used for a long time. With included swatch card, you could find the color you need quickly and easily. Quick-drying: Alcohol based ink dries quickly, easily blend and layer different colors without worrying about leaving streaks behind. The kit is not suitable for children under 3 years old and please store markers horizontally to keep the ink even to both tips.