Made by winding metallic yarn (12mic) around thread of 150D and 120D,it can use in embroidery or knitting. Metallic YarnCompose: 120D/150D polyester yarn or 120D/150D rayon or 140D nylon that are completely wrapped by 12μ. 1/69" or 1/32" metallic yarnUsage: especially used as embroider thread, for machine embroidery, hand embroidery, woven, fabric, tape, etc.27", 1/110", 1/92", 1/85", 1/69", 1/50 ...