1、Super strong sewing thread made of bonded nylon material, possess high tensile strength, not easy to break with bare hands, mildew proof, UV proof and weather resistance, very suitable for indoor and outdoor use, possess high heat resistance, consistent color, long lasting 2、Get threads for all purposes for your creative sewing and craft projects, this thread set provides good performance for manual sewing and household sewing machines 3、Sewing tough materials such as leather, denim, canvas, vinyl or thick fabrics 4、Repair shoes, coats, jeans, khakis, ocean and sailboats, mattresses, ship and car covers, tents, awnings, sofas, curtains, carpets or area carpets; also very suitable for webbing, weaving and beading 5、Suitable for sewing leather, interior decoration, jeans and weaving hair, including sewing, clothing repair, alteration, cushion making, tailoring and any other stitching work. Suitable for cotton, wool and synthetic fiber fabrics