Specifications: Material: polyester Color: white Size: L Core: magnetic Excellent quality pre wounded bobbins thread. Each bobbin thread length is more than 100 metres. Magnetic Precision: With a magnetic design, these bobbins effortlessly attach to sewing machines, providing consistent tension with every stitch. This ensures your bobbin thread feeds smoothly, enhancing the quality of your embroidery projects. Posting in large letter Royal Mail Tracked 48
