SULKY-King Metallic Thread. This thread features a strong polyester core wrapped with metallic foil an cross wound spools with snap-end caps and is completely washable. Works in sewing machines and serger loopers. Can be used in a bobbin and has excellent flexibility for decorative hand stitching. Use an 80/85 14 or long-eye top stitching needles. This package contains one 1000yd king spool. Imported.