The basics This 100% polyester thread offers a high break point that is engineered to cope with highly stressed seams. The benefits Designed for machine or hand sewing.  The uses Ideal for heavier fabrics: denim, leather, furiture, as well as for crafts. 100m spools. The bottom line Representative color samples are on the next page. Indicate the number of spools of each color you want and then at the bottom of the page hit 'Add Selected Colors to Cart' and everything you choose will be added at one time.