Sharpie Neon Permanent Markers, Fine Point, Assorted Colors, Pack of 12 A permanent marker that delivers ultra-bright, colorful marking on light surfaces in daylight, and marks that turn fluorescent in black light environments AP certified non-toxic Durable fine point tip produces thinner, detailed lines on most hard-to-mark surfaces Quick-drying ink is waterproof, smear proof and fade-resistant 12 count