Color box packaging can be divided into three categories according to the basic shape: foldable cartons are called folding boxes; those that cannot be folded are called hard cartons; the paper is processed, compounded, and glued into liquid containers, collectively called flexible packaging paper box. In the meantime, folding cartons are used the most in product packaging. 1. Liuhe lid and swing lid type paper box. They are tangent lines pressed on the box surface according to different graphics, and the box cover can be opened. You can see the product as well as the decoration graphics, text and trademark on the box surface. Its advantage is that it is open, convenient and easy to take out. Products and easy to display and promote products. 2. Window type paper box. The window-opening carton has three modes: partial window opening, transparent lid and multi-sided transparent. It is generally used in combination with the transparent plastic sheet, and the product is displayed on the window opening, which is convenient for customers to purchase. 3. Portable Paper Box. Some products have large packaging. For the convenience of customers, a handle is added to the carton. The handle is designed to be foldable as much as possible, so that it can be transported easily and does not occupy too much area. 4. Special-shaped carton. Special-shaped cartons mainly have various shapes such as triangle, pentagon, rhombus, hexagon, octagon, trapezoid, cylinder, semicircle, book type, etc. The structure of this kind of carton is a packaging shape that appears through the combination of arc and straight cutting and surface replacement. The advantages of special-shaped cartons are novel and beautiful. 5. Special structure carton. It is to make a gap in a certain part of the carton, or add an accessory, which can make powder, granular, lumpy or liquid products pour out and use. The carton structure can be diversified, and for the convenience of customers, special planning can be made according to the different uses of the product. The special shape is mainly expressed through the special-shaped structure, which needs to be planned through functional structures (such as handles, carrying holes or vents, adhesive flaps for automatic folding cartons, etc.), characteristic structures (such as corners, hollows, feet, etc.) And the appearance structure (such as non-flute cylindrical, non-planar structure) and other special structures must always be completed, so that they can be satisfied. The packaging styles are complicated, beautiful in shape, wonderful in structure, and in various ways, which can attract customers' attention.
