Jacquard Products Color Magnet for Silk Screening, 16-Ounce (CHM3900) Jacquard Color Magnet for screen printing can be painted; stamped; stenciled or screen printed on Use Jacquard Color Magnet for screen printing to create a tone-on-tone effect The solution will attract dye; so the area will "magically" appear darker where it has been applied Use it in combination with most types of Jacquard dyes