Graffetch hair pencils fill in hair art designs and hair patterns to make the designs stand out. Special formula applies easily on short hair, the scalp and the face and body. Fill-in hair art and barber designs with bold, bright and vivid color. Colors are vibrant, long-lasting, waterproof and easily removes with soap. Grade the colors for a rainbow or 3D effect. Built-in sharpener helps fine tune precise designs. Neon set includes one each of neon pink, neon green, neon orange, hot pink, hot purple, brown, metallic gold, and metallic silver pencils.