1、OPP card head envelope bag：
　Card head self-adhesive bag definition：

　　The top of the bag is transversely compressed with a hot suture, and the bag is divided into two parts: a clamping head and a product bag, and the two space is made into a small commodity packing bag. The top of the bag is either printed or blank, the middle of the bag is covered with a pearl film or can be printed directly.
　Card head self adhesive bag material classification：
　　OPP，PP，CPP， VMCPP....
　Applicable range of card head self-adhesive bag：
　　Widely used in product packaging: such as news, publishing, periodicals, newspapers, clothing, department stores, daily necessities, small commodities, small gifts, stationery, clothing, socks, small food, etc..
　Card head self-adhesive bag series：
　OPP, PP self-adhesive bag, OPP card head self-adhesive bag, PP card head self-adhesive bag, composite card head self-adhesive bag,
　2、Bone pocket products introduction：
　Range of product penetration：Product packaging, clothing, jewelry, food, pharmaceutical and other products packaging. PE transparent bone bag; PE colored bone bag; PE transparent bone bag; PPE transparent bone bag; PE transparent anti static bone bag