length. 4 spools, each 4572 meters long, provide enough sewing thread to have the full fun of sewing. . quality. High-quality sewing thread made of 100% polyester composition, high strength, strong resistance to fracture, so using it will bring very good results. . The ideal choice for your sewing machine! The bobbins fit most household sewing machines such as W6, Brother, Bernette, Bernina, and many more. . Suitable for sewing machines, cross-stitch embroidery, needlework, embroidery, etc. The sewing thread can be used with a variety of thick or thin fabrics such as wool, denim, cotton, lace, leather, nylon, velcro or elastic materials and also for a variety of projects such as Cushions, upholstery and other sewing work. . Strict test control: Our products are tested by users under real conditions. If you have any problems, please feel free to contact us by email. Our efficient customer service will offer you a totally satisfactory solution.