Perfect for modern calligraphy techniques, Pitt Artist Pens give you the flexibility to create thick and thin brush strokes. These unique and versatile brush pens are great for brush lettering, stamping, and mixed media. Made with odorless, waterproof, lightfast, and archival India ink, your images stay bright and vibrant for many years to come. Colors can be layered and the inks won't bleed through. Use them on paper or canvas and in books or journals. Store horizontally.