Aurifil 40wt-1158 150mt. Aurifil is known for supreme quality with a smooth finish presented by the high quality Cotton Mako fibers that make up this thread. Aurifils 100% Cotton 40wt/2ply thread is wound on a green spool. Because of its slightly thicker weight, it is ideal for piecing, quilting, applique or embroidery. The economical size of the 164 yard spool is the perfect size to add to your collection of thread, allowing you to curate your personal palette of colors. Made of 100% Cotton Thread Weight: 40 wt Length: 164 yds Recommended Needle Size: 80/12 Microtex/Sharp, Universal, or Denim Needle (40wt or 50 wt in the bobbin) 90/14 or 75/11 Quilting Needle (40wt or 50 wt in the bobbin) 3.5 or 4.0 Longarm Quilting Needle (50 wt in the bobbin) Recommended Use: Single, Double or Triple Strand Cross Stitch, Hand Piecing, Bobbin and Machine Lace, Machine Applique, Machine Embroidery, Edge-to Edge, Pantographs, Custom Longarm Quilting.