Features: 1.Multiple colors: 12/24/36/48 rich colors are available to meet your various painting needs. 2.Double-line design: The biggest feature of this pen is the double-line design, which can draw two parallel lines at the same time, making your work more three-dimensional and layered. 3.Wide range of applications: Suitable for various artistic creations such as handbooks, greeting card making, painting, graffiti, etc. Specifications: Name: Coloring Lightstick Graffiti Pen Shell material: plastic Weight: 9g/pcs Applicable scenarios: painting, graffiti, calligraphy, DIY art crafts Packing list: 12/24/36/48pcs*Coloring Lightstick Graffiti Pen Notes: 1. Due to manual measurement, there may be errors. 2. Due to lighting and other issues, the color of the actual product may vary. Please refer to the actual product for details. Thank you for your understanding. Innovative Writing Effects: Featuring a unique double line function, our outline pens metallic allow you to create stunning art with ease. When used on light or white paper, you'll see two lines simultaneously—one metallic silver and one colorful—and on dark surfaces, only the striking silver color shines through, making your artwork truly pop Innovative Writing Effects: Featuring a unique double line function, our outline pens metallic allow you to create stunning art with ease. When used on light or white paper, you'll see two lines simultaneously—one metallic silver and one colorful—and on dark surfaces, only the striking silver color shines through, making your artwork truly pop Brilliant Glitter and Color: Experience the strong glitter effect with our shimmer doodle outline pens. With 12/24/36/48 bright colors that glide smoothly from the tips, these self outline metallic glitter doodle drawing markers pens add an enchanting brilliance to your projects, transforming simple designs into eye-catching masterpieces Brilliant Glitter and Color: Experience the strong glitter effect with our shimmer doodle outline pens. With 12/24/36/48 bright colors that glide smoothly from the tips, these self outline metallic glitter doodle drawing markers pens add an enchanting brilliance to your projects, transforming simple designs into eye-catching masterpieces Easy To Use: You should shake the outline markers well enough to mix the ink with the tip upwards before use. Then take off the pen cap and gently press the tip down on the surface of paper for a while until the ink flows back to the tip