Creative, versatile, vibrant, and durable best describe KINGART® PRO Twin Tip Brush Pens. Create broad strokes, fine lines, and everything in between, simply by changing ends or brush pressure. Our pens are acid-free, non-toxic, and odorless. The caps are color-coded, air-tight, and anti-roll. The ink is water-based and blends easily. Use two or more markers to create unique shades and a colorless blender pen for watercolor effects. Use these pens for any art project or inspired moment–and no messy cleanup ! Great for Fine art, illustrations, watercolor illustrations, doodling, journaling, hand lettering, brush lettering, calligraphy, faux calligraphy, painting, drawing, sketching, mangas, portraits, landscapes and more ! Rich & Vivid Colors. Twenty-Four (24) Unique Colors. Color-Coded Caps. Color Code printed on barrel. Color name printed on every pen. Brush & Fine Tips. Superior Blending. Acid-Free & Water-Based. Odor-less & Non-bleed Special Formula Water-Based ink. Non-Toxic & conforms to ASTM-D4236. Colors included in this set : Lemon, Peach, Orange, Orange Yellow, Red Orange, Red, Red Brick, Saddle Brown, Pink, Plum, Light Purple, Purple, Dark Purple, Deep Blue, Peacock Blue, Light Blue, Bright Green, Light Green, Hunter Green, Dark Green, Olive Green, Brown, Cool Gray, Black.