Color box packaging can be divided into three categories according to the basic form: foldable cartons are called folding boxes; Unfolded cardboard boxes; After processing, compounding and gluing, paper is made into containers that can hold liquids, which are collectively called flexible packaging cartons. Among them, folding cartons are the most widely used in commodity packaging. Tian di Gai and Yao Gai carton. They are pressed out by tangent lines according to different graphics on the box surface, and the box cover can be opened, so that you can not only see the goods, but also see the decorative graphics, characters and trademarks on the box surface. Its advantages are convenient opening, easy taking out of goods, and convenient display and promotion of goods. Window carton. There are three forms of windowed cartons: partial windowing, transparent box cover and multi-sided transparency. Generally, it is used in combination with transparent plastic sheets to display goods in the window opening part, which is convenient for consumers to choose. Portable carton. Some goods are packed in large packages. For the convenience of customers, a handle is added to the carton, and the handle is designed to be foldable as far as possible, which is convenient for transportation and does not occupy too much area.

Special-shaped cartons Special-shaped cartons mainly have triangular, pentagonal, rhombic, hexagonal, octagonal, trapezoidal, cylindrical, semi-circular, book-shaped and other forms. The structure of this kind of paper box is a packaging form which is composed of arc and straight line cutting and surface alternating combination. The advantage of special-shaped carton is novel and beautiful. Cartons with special structure. It is to open a gap in a certain part of the carton, or add an attachment to let powdery, granular, block or liquid articles pour out for use. Its carton structure can be diversified, and for the convenience of consumers, it can be specially designed according to the different uses of goods. The unique shape is mainly embodied by the special-shaped structure, which needs to be realized by designing special structural elements such as functional structures (such as handles, hand holes or air holes, adhesive sheets of automatic folding cartons, etc.). ), characteristic structure (such as corner cutting, hollowing out, legs, etc.). ) and appearance structure (such as non-cylindrical structure and non-planar structure), so that they can be satisfied. Packaging styles, beautiful shape, ingenious structure and various forms can attract consumers' attention.