Description: Double Line Outline Pens – Adopted the pigment ink, these incredible self-outlined markers write in vivid metallic color surrounded by line borders. Unique technology produces outlines for you automatically to create a beautiful dual-color effect 8 Glitter Colors – Available in 8 different colors containing shiny ink, which yield a vivid color and add a sparkle luster. Also suitable for almost any surface, such as metal, pottery, wood, rubber, glass, plastic, stone, etc. Durable 1mm Tip – Double line outline pen specially designed with a wear-resistant and pressure-resistant tip, that helps to achieve fluid and smooth clear writing effortlessly across the page. The pigment ink is waterproof, chemically stable and UV resistant. Our ink lends itself to a smooth application that dries quickly Easy To Use – First shake the marker well to mix the ink with the tip on. Then take off the cap and gently press down the tip on the surface a few times to pump the ink until it starts to flow. For best results, re-cap the markers immediately after use and store horizontally Wide Application – Our outline pens can be used in writing a greeting card, scribbling, poster making, drawing and highlighting. Besides, they are also suitable for kids or adults DIY craft projects. Great for arts, crafts, school projects and more. Specification: Material: Plastic Size approx .14cm / 5.5inch Package Includes: 8 Pieces Double Line Pens