Sharpie Permanent Markers, Fine Point, Assorted Neon Colors,(1860443) (4-Pack of 5) Delivers ultra-bright, colorful marking on light surfaces in daylight, and marks that turn fluorescent in black light environments Ink dries quickly, is waterproof, smear-proof and fade-resistant. The AP certified ink is non-toxic and long lasting. Ideal for birthday cards, note taking, and thank-you notes. Set of 5 markers includes 1 each of Neon Yellow, Neon Blue, Neon Orange, Neon Pink, and Neon Green