Lasts 3 days are blendable hair color chalks to use on any type or color hair * Great for dress up, performance costumes, or a rockin" night on the town! * You can curl or flat iron hair with color * Blend as many colors into hair as you like. Blend one color into another to achieve a blended look * These fade resistant colors can be used on paper, board, rice paper, canvas, ceramics, porcelain, etc.