... , blue, green, black etc. Material: Metallic,polyester/nylon/rayon metallic yarn/threadColor : silver, gold, red, blue, green, black etc.Material: ... type --12 micron polyester film metallized with pure silver is covering nylon.Gold color is coated under the film. Proof ... metallized with aluminum and specially coated with fluorescent dyestuff,is covering rayon or nylon.5.JB type --12 micron polyester ...