This high qualitygutermann upholstery threadis perfect for all your fabric and sewing applications it is a very strong yet fine thread that is ideal for repairing home furnishings highly stressed seams home furnishings and much moregutermann upholstery thread is a strong and durable thread made from 100 percent polyester it is suitable for hand and machine stitching and produces excellent results on any type of fabric including heavy weight fabrics such as denimcolour 197100 percent poly