The difference between A4 OPP bag transparent and B4 OPP bag

The difference between A4 OPP bag transparent and B4 OPP bag

A4 OPP transparent bag and B4 OPP bag are two common transparent plastic bags we see in our daily life. The two bags are very similar in appearance, but their actual size and purpose differ.

Let's talk about the transparency of A4 OPP bags first. OPP is a polyamide plastic film with the characteristics of good transparency, high toughness, wear resistance and corrosion resistance. This kind of bag is usually used to carry A4 size paper, documents and other items. In the commercial field, this kind of bag is also often used to package some goods, such as stationery, printed matter, etc. Because of its light texture and relatively affordable price, it is widely used in daily life. The transparent B4 OPP bag is slightly larger. Usually used to load B4 size paper or documents. This kind of bag is generally used for the protection or confidentiality of documents such as folders and envelopes. In the commercial field, this kind of bag can also be used to package some relatively large and heavy products such as electronic products and photo albums. Because its uses are wider than A4 OPP bags, the price is relatively more expensive. In daily use, we can judge the type of bag by observing its size. However, to make it easier to identify the two bags, we can mark the bags. For example, the A4 OPP bag is marked with the word "A4" on the transparent side, and the B4 OPP bag is marked with the word "B4" on the transparent side, so that they can be distinguished at a glance. Although A4 OPP transparent bags and B4 OPP transparent bags are similar in appearance, they are actually quite different in terms of quality, size, use, etc. When purchasing, you should choose the right bags based on actual needs so that they can play their role better.

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