★ 6 spools/kit, 60% polyester embroidery thread + 40% metallic yarn, 500 meters / spool ★ 6 different vibrant colors, suitable for most embroidery machine, such as Brother, Babylock, Janome, Kenmore ★ Thread with metallic luster, makes kintting / embroidery crafts brilliant ★ Recommond needle number: 90 / 14, suitable for home embroidery machine at 600 SPM;Please try adjusting the tension to make sure the thread works well with your embrodiery machine. ★ Wrap the spool of thread before embroidering with the thread net, so that the thread does not get tangled.