Spectrum Noir pens are alcohol ink based markers which have been designed specifically for crafters, but these affordable markers are also great for beginners, students and hobby artists alike. Each pen is double-ended, with a broad chisel nib for large area fills and a fine bullet tip for detailed work.Our six color-themed marker sets were created intentionally so that from a single set of pens you will always have colors which are perfectly co-ordinated and work together. Spectrum Noir markers are available in 168 color shades including a colorless blender (Essentials Six Piece Set). The colors blend seamlessly, and can be mixed or layered over each other. For stunning results use with our Ultra Smooth Premium White Card Stock, which is perfect for use with alcohol based penshese fast drying, alcohol based markers are acid-free and non-toxic, and the colored ends of the pen allow for easy color identification. The image color has been reproduced as accurately as possible..