Specialty threads with with a gold or silver metallic finish can give your logo a new look. Metallic - View Sample This shiny polyester thread produces a metallic finish when used in a design. Can be used as a substitute for traditional thread throughout any embroidery design especially in fill and large lettering. For best quality, we recommend that logos be specially digitized for the use of metallic thread. Not suited for leather. All specialty threads are $1.00(P) per unit.