The range of plastic products is very wide, especially plastic bags, which are closely related to our daily life. Among all kinds of plastic bags, vest bags (vest bags) are common and used by us. No matter shopping malls, vegetable markets or community convenience stores, they are widely used in plastic vest bags. Specifically, what are the application scopes of such bags?

1、大型超市購物袋。當我們在大的商場和超市購物的時候，在結賬的時候基本都會使用到背心式購物袋袋，大型購物場所的背心塑料袋，其材質通常為可降解或者國標加厚型，質量是屬于中上乘。超市購物袋通常分為大中小三種不同尺寸，可以根據消費者購買商品的多少來選擇合適大小的塑料袋，而這類袋子是要收費的，在0.1元~0.5元之間。一般情況下，超市購物背心袋上面都會印刷精心設計的圖案，商場的logo、地址以及宣傳語等等。

1. Shopping bags in supermarkets. When we shop in large shopping malls and supermarkets, we usually use vest type shopping bags when checking out. The vest plastic bags in large shopping places are usually made of degradable or thickened national standard materials, and the quality is medium to high. Supermarket shopping bags are usually divided into three different sizes: large, medium and small. You can choose the appropriate size of plastic bags according to the number of goods purchased by consumers, and such bags are charged, ranging from 0.1 yuan to 0.5 yuan. Under normal circumstances, supermarket shopping vest bags will be printed with well-designed patterns, logo, address and slogan of the mall, etc.

2、市場通用袋。在以農貿市場為主所使用的背心塑料袋，都是使用普通材質所制作而成的，這些袋子偏薄，顏色種類多，其質量是屬于低下的。

2. General bag for the market. The vest plastic bags mainly used in farmers' markets are made of ordinary materials. These bags are thin and have many kinds of colors, so their quality is low.

3、廣告類背心袋。經常有房地產公司、企事業單位定做背心袋作為廣告禮品派發，從而達到營銷的目的。這類袋子要求質量高，印刷精美，方便大眾，亦奪人眼球，一舉兩得。

3. Advertising vest bag. There are often real estate companies, enterprises and institutions customized vest bags as advertising gifts, so as to achieve the purpose of marketing. This kind of bag requires high quality, exquisite printing, convenient for the public and eye-catching, killing two birds with one stone.