#121 UV-LIGHT SENSITIVE FILM     We developed this item for special security label. Disappeared letter open under UV-light only. Homepage : http://www.youngin21.com Company : YOUNG IN CHEMICAL CO.,LTD Phone : 82-31-495-3763 FAX : 82-31-495-3969 Address : 629-5 SUNG GOK-DONG, ANSAN, KYUNG GI-DO. KOREA(Zip Code: 425-110) URL : http://www.youngin21.com E-mail : swyong@youngin21.com