- Innovative Double-Line Function: These coloring lightstick graffiti highlighter pens create stunning dual lines. On light paper, they produce colorful and metallic silver outlines, while on dark surfaces, the silver line is highly visible, enhancing your artwork's depth and dimension. - Superior Quality: Designed with durable, wear-resistant tips, these odorless and waterproof metallic pens ensure a smooth writing experience. Safe for all ages, they are a reliable addition to any art supply collection. - Vibrant Color Selection: Available in 12, 24, 36, or 48 colors, these glittery markers glide effortlessly, adding shimmer and brilliance to your projects. Elevate simple designs into striking masterpieces with their vibrant, dazzling effects. - Versatile Applications: Perfect for creating eye-catching artwork, personalized cards, or scrapbooking, these pens are suitable for various creative projects. They are ideal for enhancing school projects, decorating journals, or adding flair to gift wrapping. - Thoughtful Gift Choice: The 8, 12, 24, 36, or 48 color options make these coloring lightstick graffiti pens a wonderful gift for both children and adults. They are perfect for holidays like Valentine's Day, Easter, or Christmas, inspiring creativity with a burst of vibrant colors.