Polyester Embroidery Thread Cone length: 5000 meters per cone Weight class: 40 wt. A thread is labeled 40 wt. when 40 kilometers of that thread weighs 1 kilogram Cone size: 110 mm x 65 mm wide Material: Polyester Key benefits Shine: produces a bright, glossy finish for decorative stitching and embroidery Toughness: built for durable stitches that withstand wear Feel: smooth hand and easy to work with during sewing and embroidery Proven performance: widely used by quilters, FSL enthusiasts and sewers What it is used for Embroidery projects on garments, accessories and home decor where a strong, glossy thread is desired Standing Lace (FSL) and intricate embroidery that benefits from a durable thread with good definition General sewing and craft applications that require reliable strength and a polished finish Specifications and notes Material: Polyester Length: 5000 meters per cone Weight: 40 wt (defined as 40 kilometers per kilogram) Cone dimensions: 110 mm x 65 mm wide Use scenarios A quilter creates a decorative quilt with bright satinlike stitches and long seams, using this thread for consistent color and shine An FSL project requires delicate lace elements with strong, stable stitching to maintain shape A sewing hobbyist adds decorative embroidery to home textiles, bags or apparel, benefiting from the thread's toughness and smooth handling