SHINY, STRONG AND COLORFAST SULKY POLY is a durable polyester machine thread made of 100% polyester. Due to its pliability, it is marked by its ease of use. Also, SULKY POLY not only has a beautiful, silky sheen but is incredibly durable.SULKY POLY is tear resistant and colorfast to chlorine; high water temperatures and bleach do not compromise its integrity. We offer a wide variety of bright and vivid colors that last through a large number of wash cycles. SULKY POLY is available in two weights: SULKY POLY DECO 40 is perfect for appliqués and embroidery on children's clothing, work clothes, sports clothes, or garments that you will wash frequently or bleach. Use our lighter SULKY POLY LITE 60 thread for micro-stippling, lettering or fine detail quilting and accurate piecing. It is ideal in the bobbin for any decorative project where you want to match the bobbin thread to the top thread because the underside will be visible.