★Fine writing (fine): 0.02 inches (0.4 mm), brush for writing bold line: 0.04 - 0.08 inches (1 - 2 mm). ★ Available in a variety of attractive colors. A set of 2 fine and bold colored pens with 72 colors. Great for arts and crafts, homework, notebook making, adult coloring books, and office work. It can be used for a wide range of people, from beginners to professionals. ★Practical both fine and bold design? Fine Point: 0.4mm, Bold Point: 1-2mm Marks fine for writing annotations on textbooks or notes, and bold for highlighting important contents. This is a highly efficient and convenient writing instrument set. ★ RELIABLE FOR SAFETY? Water-based pigments are used to eliminate unpleasant smells. Made of non-toxic materials for people and the environment, you can use it with confidence. ★【Watercolor Brush】Design? Design? Office? Color/Unisex/Recommended for ages 13 and up. Color Type: Vibrant colors that resist fading, making them perfect for macers. ★ Fun Watercolor Pen Set? Dries fast and keeps your hands clean. Since it is a watercolor pen, you can use a brush with water on the top of the color, and you can enjoy the blurring and mix colors that are unique to watercolors.