Micron Pigma pens- they are acid free, permanent, archival quality- do not fade, *fuzz* around the edges, come in a variety of colors, medium & fine point- do not skip-write smoothly. available on line at 'Nancy's Notions, Keepsake quilting, maybe Connecting Threads (among many other places) also Joanne fabrics, Office max, most any scrap booking place and art supply store. (around $3-$5 each)