Plastic bags are a general term. For us, plastic backpacks are the most recognized ones. Vest is a kind of plastic bag, which is called vest because its appearance is similar to the vest people wear. The backpack is simple to manufacture, cheap and easy to carry, so it is loved by the vast number of merchants and consumers. It can be seen in various supermarkets, markets and shops, and the backpack has been integrated into people's daily life.
There are three types of backpacks, which are divided into large, medium and small types to meet the needs of different loads. Although these backpacks seem to be thin, their bearing capacity is not weak at all. Generally, as long as there is no too sharp surface that weighs more than 10 Jin, they can bear them. Moreover, as long as this kind of backpack is rubbed up, the space occupied is only over ten square cm. One fist can hold multiple backpacks. When you go out, you can put them in the bag. Because of the characteristics of plastic, it is light and not heavy at all, which is very suitable for shopping. The backpack is made of polyethylene, and the cost of each bag is only a few cents. Compared with the cloth bag, although the service life is slightly insufficient, it is better than the good quality and low price, suitable for large-scale promotion, and more acceptable to ordinary consumers. Moreover, it can also be engraved with exquisite patterns, which makes the backpack have certain appreciation value and will not appear uncoordinated when used in large supermarkets.
Although the backpack has various advantages, the row material is a highly polluting plastic, which has an impact on the environment. After the promulgation of the plastic restriction reams, the backpack is greatly restricted, the usage amount is greatly reduced, and the unqualified products are uniformly removed from the shelves. But this is also a new opportunity for backpacks. Taking this opportunity, the production of backpacks has a certain degree of breakthrough not only in terms of quality, but also in terms of environmental protection. The emergence of renewable backpacks and so on will bring new vitality to the backpacks.
