Yasutomo FabricMate dye markers are a pen with fabric dye inside. Its unique dye requires no soda ash, steaming, or heat setting. The colors simply have to dry-24 hours, and the dyed fabric is ready for laundering or wearing. No mess. No clean-up. Use for coloring, dyeing and decorating on all fabrics. Slow drying for color-blending. Works great with transfers. Contains: neon orange, yellow, violet, lime, pink, and blue.Details:Includes assorted fluorescent colors6 markersSuperfine tipNontoxicFor use on fabric