Slim and lightweight with a 0.3mm superfine metal-clad tip. Ergonomic triangular-shaped barrel for fatigue-free writing. Dry-safe feature allows for several days of cap-off time without ink drying out. Acid-free. Packaged in reusable easel stand. Set includes pens in 10 colors: Yellow Magenta Red Orange Light Green Green Light Blue Blue Brown and Black. Colors subject to change.