The self-sealing bags used by people can be generally divided into two types. This classification method is distinguished according to the production method of the packaging bag. One of them can be produced by direct film blow molding. The sealing of such packaging bags They are relatively thick, and the two sides are made by the method of eagerly cutting the air outlet. There is also a chain of packaging bags that is attached. This packaging bag is generally a composite bag. When people buy and use packaging bags, they can follow this method. to distinguish.
In addition, ziplock bags can also be divided into many different types according to their use and size. The packaging bags used to hold food and ordinary clothes will also have differences in the selection of materials and production methods, so they should be strictly distinguished when using packaging bags. In order to make people more convenient and quicker in the process of using self-sealing packaging bags, it is also possible to select packaging bags of suitable size according to the classification of the items, and vacuum operations can also be performed by an air pump.
