What are the common bag types of food packaging bags

　　1. Three side bag sealing

　　This is the most common type of food packaging bag. Three side sealing bag has two side seams and one top seam bag, and its bottom edge is formed by horizontally folding film. This kind of bag can be folded or not. When there is a fold, they can stand upright on the shelf. One of the deformation of the three side sealing pocket is to fold the original edge to form the bottom edge, which is realized by bonding. In this way, it is essentially a four side sealing pocket.

　　2. Self-supporting bag

　　This kind of food packaging bag is also a common bag type in food packaging bags. It is a self-supporting bag type, which can stand on the container independently, showing good results. It usually has a zipper for easy carrying.

　　3. Back sealing bag

　　Back sealing bag is also called middle sealing bag. Simply speaking, it is a packaging bag that seals the edge on the back of the bag. Back sealing bags are widely used in candy, bagged instant noodles, bagged dairy products, etc.

　　4. Eight sided bag sealing

　　It is developed on the basis of self-supporting bags. The bottom is square and can stand upright. The display effect of containers is particularly beautiful., The bag type has a three-dimensional sense, can stand on the shelf independently, and is convenient for sales and consumers to eat. There are three planes on the side and bottom for color printing of food packaging bag information. There are more places for advertising and beautification on the front and side, which is conducive to promoting the brand and attracting consumers' attention.

　　5. Suction nozzle bag

　　The suction nozzle bag is composed of a suction nozzle and a self-supporting bag. The self-supporting bag is composed of composite materials. The suction nozzle is a bottle mouth made of plastic. It is the first choice for packaging liquid, powder and other products, such as fruit juice, beverage, milk, soybean milk, soy sauce and so on. The bag type food packaging bag is convenient for the transportation and storage of food.

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