Document Enclosed, No Print 1. Material:PE or PP film 2 ... , C6 3. Used in Transportation and shipping 4.Security Document Enclosed, No Print, PE/ PP film, 175 *132mm1.Specification: < ... 1> Supplier: Fangda Packaging, the first producer of Document enclosed envelopes in Asia. <2> Web: www. fangdapack.com; www ... Welcome to visit our new factory in 2012.. Document Enclosed, No Print,PE/PP film,175 *132mm