This wonderful product acts as both a underlay to keep the nap from intruding into your embroidery as well as keepin the color of the background fabric from showing. Simply match your thread color to this topping to enhance your embroidery. Your base fabric won't show through and embroidery won't sink into high loft fabrics with this permanent vinyl stabilizer. Primary colors: white, black, green, yellow, blue, orange, red, clear. Blending colors: brown, buff, pink, silver, light grey, teal, purple, mauve. Each package contains one 6" x 24" sheet of each color.