Zig MS3600P-050 Memory System Journal and Title Marker, Carded, Pure Yellow Marker features a dual tip with 0.5-mm fine and 3.5-mm calligraphy ends Ideal for making a variety of journaling and titling letters Water based pigment ink is photo safe, acid free and lightfast Waterproof, archival quality, ideal for scrapbooking and other paper crafts Conforms to astm d4236 standard; available in pure yellow color