Gutermann Sew All Thread Recycled is a 100% recycled polyester thread. It offers no fibres, even thickness, no twisting, tear resistance, flexibility, and colour fastness. This thread is suitable for all types of fabric and seams, for hand or machine sewing. Recommended needle size: Universal 80-90. Ideal for universal sewing, machine sewing, hand sewing, closing and backstitch seams, ornamental stitches, and decorative seams on all fabrics, woven fabrics, and many other materials.