... . Material: Metallic,polyester/nylon/rayon metallic yarn/threadColor : silver, gold, red, blue, green, black etc.Material: metallic 35%, polyester 65%; metallic 44%, nylon 56%; metallic 35 ... --12 micron polyester film metallized with aluminum is covering rayon or nylon.Color is coated over the film metallic thread/yarn--STAD-4