2、國際信封的信舌一律開在正麵的上麵，封舌的背麵内印有指導用户使用的文字。 packaging easier for consumers to interpret. For example, as shown in Figure 1, this package will be different flavors of fruit beverage packaging design into the corresponding slice of fruit shape, so that consumers can immediately feel the taste of beverages, while enhancing the product and consumer intimacy, colorful Bright color design and more able to attract the attention of consumers. Visual graphics decoration Graphic design in the packaging has two main functions - to convey and impress, that is, the use of graphics in the direction of visual communication visual, effective, vivid and rich expression, the product information to consumers, and by virtue of graphics in the Visual attraction, so that 3、國内信封正麵左上角印有收信人郵政编码6個框格。其颜色爲金红色。（國際信封無此框格）
