Gel pen set brings your craft projects to life with vivid, unique colors. A full spectrum of distinctive colors adds flair to your projects with just a simple stroke of a pen. Free-flowing, acid-free ink applies smoothly to both light and dark papers. Transparent barrel lets you easily monitor your remaining level of ink to prevent sudden depletion. Colors include neon, glitter, metallic and even two colors swirled together for an eye-catching style.