The Superior Threads So Fine 3-Ply 50 Weight Polyester Sewing Thread Cone in Charcoal (#410) is a high-quality thread perfect for all your sewing projects. Made of 100% polyester, this thread cone contains 3280 yards of thread, ensuring you have an ample supply for your creations. With a 50 Weight and 3-Ply construction, this thread is versatile and durable, ideal for crafting patterns, molds, and sewing projects in general.