"Single side woven bag" means that in the process of making woven bag, the edge of one side is treated as a single layer or strengthened treatment, while the edge of the other side maintains the original woven double layer shape. Woven bags are bags made of materials such as polypropylene that are commonly used for packaging, storage, and transportation. Usually durable, lightweight, breathable, moisture-proof, tear resistant.

The function of handbag printing design is mainly manifested in its convenience, practicality, protection and publicity. In order to pursue the rationality of the design function of the handbag, the designer not only needs to work hard in the design but also to ensure the later printing process. Because the handbag is an important item to display the corporate image and culture, the quality of its printing directly affects people's cognition of the enterprise.

The main materials of packaging bags are multi-layer paper bags and paper-plastic composite bags. We mainly choose materials according to the characteristics and uses of the fillers, such as: multi-layer paper bags are recommended for export environmental protection requirements, and paper-plastic composite bags are recommended for poor handling conditions, which will be lined with plastic film for food and moisture-proof requirements, and aluminum film for light avoidance.

Color printing is developing better and better in the domestic market, and the color printing market in foreign countries is also very good! With the development of color printing industry, color printing post-press surface treatment is becoming more and more important in packaging production. The success or failure of the current color printing market competition depends largely on the packaging of the goods, and the quality of the surface treatment of the color printing goods after printing determines the quality of the packaging material market.