EcoStitch Duo includes two spools of navy cotton thread, each containing 876 yards of high-quality, mercerized cotton. These threads are known for their consistent strength and smooth, silk-like sheen. They are knot and nep free, ensuring a smooth sewing experience, and produce very low lint, reducing mess and waste. The threads are ideal for a variety of sewing projects, offering durability and a polished finish. The navy color provides a classic, versatile look suitable for many applications. Each spool is designed to deliver reliable performance, making them a practical choice for both detailed and larger sewing tasks. The 2-pack offers a convenient supply of premium cotton thread, ensuring you have ample material for your sewing needs. With their high-quality construction and attractive appearance, these threads are a dependable addition to any sewing kit.