These pens are great for drawing and scrapbooking. The water-based pigment ink is photo-safe, acid-free, odorless, lightfast, xylene-free and smear-proof once dry. The set features five black ink pens in the following sizes including 005 (.2mm), 01 (.25mm), 03 (.35mm), 05 (.45mm) and 08 (.65mm). Conforms to ASTM D4236 regulations.
