Plastic vest bag cheap to use safety and health, is frequently used in daily life, not just businesses and stores, many families will buy some plastic vest bag for daily use, such as containing food, go out for packing clothes, containing garbage wastes are very convenient, plastic vest bag looks are the same, does not seem to be any difference, when to buy a lot of people are not carefully screened to select, in fact, these appearance seemingly the same plastic bags are a lot of difference, which requires people in the time of purchase can pay more attention to the.