Waterproof Permanent Ink A slim fine writing special model with Elegant Stylist Metal Body The highly permanent ink based on opaque dye stuffs dries very fast and is Waterproof Dark and transparent surfaces can also be marked or lettered The special ink is due to its Water Resistance, also suitable for outdoor use Water-based ink will quickly dry Medium point guard tip with reinforced nylon prevents tip spread and extends the writing life Use the Metal Clip on the cap to attach felt tip pen to pockets, notebooks and more Comfortable grip, Assorted ink color Fast drying permanent ink, brilliant metallic color paint marker