... polyester,nylon,spun etc c.healthy and ECO-friendly. Sapphire blue Mh type metallic yarn 1. MH type metallic yarn2. Compose ... . Basic colors: silver and gold6. Available colors on request: brown, blue, green, pink, purple, red, black, etc7. Special colors on request ... trading company: HK DINGFENG INTERNATIONAL TRADE AND INDUSTRY LIMITED. Sapphire blue Mh type metallic yarn