Many enterprises in the design of product packaging bag, because not grasp the basic characteristics of the packaging and design of packaging the lack of beauty, the impact of commodity sales. How demonstrating bag packaging charm? First, the source of the charm of a packaging, bag packaging color: more than 80% of the information from the visual, if the designer's grasp of the packaging and the use of color can directly reflect some inherent characteristics of goods, such goods is likely to become The preferred commodity buyers. According to the properties inherent color commodity or commodities, using visualization is an important means of color design with color. Such as snack cakes and other food packaging more yellow green bag manufacturer, tea, coffee, whiskey, beer and other beverages with more high-grade brown bag printing factory, cosmetics packaging design into a lemon yellow lemon shampoo. The use of color in the packaging of the product itself with reproducing the color on most species homologous to give people the association, thus internal impression of the article have a basic concept. Of course, there are also the opposite phenomenon, some of the design master bold use of color contrast, to achieve better results more surprising bag, but if handled badly measured green bag production rates, would be counterproductive. Bag quality bag printing quality judging method for determining both print bag with attributes industrial commodities, but also has characteristics of art, according to species, different quality requirements are also different purposes. Depending on the type and requirements of fine products and general products can be divided into two types, so the different products, different printing quality standards. Bag print quality criteria include: quality (1) bag printing fine product standards ① overlay accuracy, the error should not exceed 0.1mm② outlets full, complete and smooth ③ ink evenly, rich layers, texture strong, field level service ④ clean lines of text, sharp edges, complete ⑤ sheet wrinkles, non-greasy, non-paste version, no stains (2) The main part of the general quality standards of products ① bag printing bag picture bag printing standards set ② points clear, complete ③ dots uniform, field level service ④ text lines clear, complete, smooth, no broken pen ⑤ sheet wrinkles, no ink, no stains