An all-in-one, durable lettering art tool, this pen produces crisp edges and sharp hairlines without the need of ink wells, ink cartridges or removable pen nibs. It has a firm, flat nylon nib that withstands heavy pressure and repeated use. Enjoy a reliable, smooth ink flow from edge to edge for stunning lettering, calligraphy and scrapbooking projects. Disposable Waterproof ink Fade-resistant