The Mideer Oil-Based Dual Tip Markers are a must-have for any creative toolset, whether it's for a beginner or a professional colorist. They provide an almost limitless range of possibilities. Flexibility is essential for any artist. For a wide range of sketching styles, each dual-tip marker includes a broad chisel and fine-point nibs. The oil base makes these markers a great option for different coloring techniques such as gradients, overlaps, etc. This is the only marker set you'll ever need!