Dual Tip Artist's Markers/24Alcohol markers lay down vibrant, smooth areas of color. Blend them to create beautiful shading and subtle watercolor effects! Studio Series set contains 24 vivid colors in a versatile range. Dual tips: fine for detail work and brush for broad area coverage. Super blendable, both before and after ink dries. Optimal ink flow for even saturation. Alcohol based ink is dye based and of archival quality. Great for illustration, design, sketching, crafting,