Ideal for use on wood, plastic, clay, glass, metal, faom board, fabric, and terra cotta. Includes Neon Blue, Neon Orange, Neon Yellow, Neon Lime Green, and Neon Hot Pink. Details: Neon colors Medium 2.05 mm tip 5 paint markers Permanent Streak-free Nontoxic Acid free Conforms to ASTM D4236