- Ideal Gift for All Ages: The 12/24/36/48 Colors Double Line Outliner Markers are perfect for fostering creativity in both kids and adults. These vibrant lightstick graffiti pens make excellent gifts for holidays, birthdays, and special occasions, encouraging artistic expression in everyone. - Unique Double Line Feature: Create stunning artwork effortlessly with our innovative outline pens. On light or white paper, enjoy the effect of two lines—one metallic silver and one colorful. On dark surfaces, the bold silver line takes center stage, enhancing your designs and making them stand out. - Vibrant Glitter and Color: Our shimmer markers come in 12, 24, 36, or 48 eye-catching colors that glide smoothly. These self-outline metallic glitter doodle drawing markers add a brilliant shimmer to your projects, elevating simple designs into captivating masterpieces. - Safe and Durable: Featuring a robust, wear-resistant tip, these outliner pens provide a smooth writing experience. They are odorless and waterproof, ensuring they are safe for use by both adults and children. - Versatile Applications: Use these markers for various creative projects, including scrapbooking, card making, and school art assignments. They are also perfect for enhancing planner pages or decorating personal journals, making every project uniquely yours. - Compatibility: These markers work seamlessly on various paper types, ensuring versatility for all your artistic needs. Whether you're creating intricate designs or simple doodles, these pens are designed to meet your expectations.