Serafil Fine is the ideal sewing and embroidery thread for all fine materials. Made from high-quality polyester with a continuous filament construction, this delicate, silk-like thread offers exceptional strength and adaptability. Its semi-transparent nature ensures seamless integration, making it perfect for overedging, felling, and blindstitching work without showing through. Ideal for processing down, embroidering intricate monograms, and adding fine details, this thread guarantees a refined finish on your finest fabrics. Choose it for premium quality and professional results every time. 60 weight. 5000 meter spool. Recommended needle size: 65/9.