Bright in the day, the colors are vivid in natural light. Luminous under black, the ink glows fluorescent under black light. Signature Sharpie permanent multi-surface ink writes boldly on paper, plastic, wood, and leather. Quick-drying ink formula resists water, smearing, and fading. Endlessly versatile fine point makes impressively bold, detailed marks. Neon Blue; Neon Green; Neon Orange; Neon Pink; Neon Yellow.