Zig Calligraphy pens are acid free, lightfast, waterproof, fade proof, with archival quality pigment that is great for creating beautiful letters and borders. Use the Calligraphy pen for memory books, scrapbooks, photo albums, journals, creative lettering, stationery, certificates, wedding invitations, greeting cards and crafts. II Marker Set 6 Color- Dual tip, twin type markers. Each marker has a 3.5 millimeter and 2.0 millimeter tip; one on each end. Remember to store this pen horizontally to keep ink supplied to both tips, so neither will dry out. Comes with 6 colors: blue, green, pink, red, purple and black.