Special-shaped bag design and application analysis, with the continuous development of science and technology and the improvement of manufacturing technology, some special-shaped bags in line with market demand came into being. They have attracted the attention of many consumers with their novel and unique shapes and convenient and reliable functions, breaking through the limitations of traditional flexible packaging in bag design, promoting the sales of goods, and playing the role of silent salesman.

The advantages of the special-shaped bag: The special-shaped bag breaks through the shackles of the traditional square bag and turns the straight edge of the bag into a curved edge, reflecting different design styles. Novel, concise, clear and easy to identify, highlighting the brand image, the emergence of special-shaped bags is of great significance to the expansion of packaging design forms, designers can freely play in the design of product packaging bags, so that more design dreams can be realized.

For example, after designing the shapes of various fruit chip packaging bags into corresponding fruit shapes, making special-shaped bags and packaging fruit chips can achieve good packaging, display and promotion effects. In addition to changing the shape of the bag, the special-shaped bag can also add many application functions, such as adding hand holes, zippers, mouths, etc. In addition, with the change of the shape of the bottom of the self-standing bag, a large liquid self-standing bag with a capacity of 2 liters and a hand hole and mouth can be manufactured for packaging heavy liquid products of edible oil. For example, adding aircraft hanging holes on lightweight packaging to facilitate hanging and selling supermarket shelves; some supplementary liquid packaging can use special-shaped bags in the shape of the mouth to facilitate filling. For example, in Japanese laundry detergent packaging, an interlocking angle is designed on the packaging bag. When in use, the two angles can be buckled together to form a clever handle and pouring port.

In short, the shaped bag is more attractive. Compared with ordinary packaging, the promotion effect is obvious, the product information is clear, and the zipper, hand hole, and mouth can be added at will, making the packaging more humane and convenient. At the same time, the special-shaped bag also has some unique advantages of flexible packaging. Compared with traditional packaging methods such as plastic bottles, glass bottles or tinplate, special-shaped bags can save more storage and transportation costs and are an optimized choice.

Since the special-shaped bag has many outstanding advantages, how to achieve a successful flexible packaging design, what factors should be considered?

Generally speaking, the special-shaped bag also belongs to the category of plastic flexible packaging, which is basically applicable to all flexible packaging materials and structures, so its basic design principle is still the same as that of ordinary flexible packaging bags. That is to say, the relevant legal requirements, the functional requirements of the packaging bag and the quality assurance system should be considered first in the design. The legal requirements refer to the requirements of the laws and regulations formulated by the state on the relevant products; including various barrier performance, storage performance, travel performance and other requirements; the quality assurance system is to consider the reliability of production, with these basic considerations, we can choose the right packaging materials and basic design for our products.

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