the insides is general cotton or thread, while the outside layer is made of thin gold metal thread. ?contact companyhongfa international (hk) limited contact person mr. jimmy jian-yao li job title general manager address unit9,9/f, 88 kwok shui rd, tsuen wan, hong kong telephone 852-2610-0682 fax 852-2610-0055 website http://www.hongfa-hk.com e-mail info@hongfa-hk.com
