BIC Intensity Ultra-Fine Tip Permanent Marker is a durable, pocket-style permanent marker with long-lasting color. It won't dry out if the cap is left off for two weeks. The marker features a soft grip for all day comfort & marks on most hard-to-mark surfaces with low-odor, vivid, fade-resistant ink. Acid-free, ACMI approved non-toxic. Marker Ink Type: Permanent; Marker Tip Type: Needle; Marker Tip Size (text): Ultra-Fine; Marker Color(s): Assorted Vivid Fashion.