High Quality and SafetyOur marker set is made of high quality materials. Free of free acid, will not fade, environmentally friendly and non-toxic, safe and healthy for your child. Double TipOur markers have two different width tips: fine tip for precise marking and wide tip for coloring and shading. It offers great versatility and flexibility when drawing. Easy to MixThe double-tip marker for artists is made of high-density fibers for clear lines, even color mixing, non-staining when exposed to water, and durability. Please note: To prolong the life of the pen, please cap it tightly after use to prevent the ink from evaporating! [Color-coded pen cap] Doodle pens come in a variety of vibrant colors, each with a vibrant hue. The color-coded caps are easy to sort and quick to identify, saving you a lot of time searching and making your creation easier. [Ideal Gift] The color marker set comes with a black base to keep each pen in place, saving you at least twice as much storage time!