These brush pens are ideal for lettering and coloring, drawing, creating layouts on light-colored papers, and inking rubber stamps. The flexible brush nib makes drawing on paper or cards a joy. Enjoy a smooth coloring experience, whether you are creating fine details or filling in larger areas. The ink is water-soluble while wet for blendability and experimentation while you work; once dry, ink is permanent, allowing for layering and inking over. This includes black, red, blue, green, yellow, orange, brown, violet, pink and light blue. Details:Includes an assortment of vibrant colorsBrush-style nib is soft and flexible with a variable width of 1mm - 4mm10 brush pensVariable, flexibleLight resistant and water based ink Neutral smellWater soluble until dry and will not bleed through your paperIdeal for creating subtle gradients, blends and variable strokesLightfast ink ensures long lasting