Currently shopping bag is divided into three kinds: cotton bags, kraft paper bags and woven bags. Washable cotton bags, biodegradable environmentally friendly, but also more varieties of style, but the high cost; kraft paper bags are not strong enough, and the consumption of wood; woven bags can be washed, repeated use, the price is cheaper than the cloth to be.
Currently on the market most of the non-woven shopping bag made.
The main component of the nonwoven fabric are polypropylene, also known as PP material, polypropylene in the molecular structure of the chemical raw material polyethylene bags far less reliable, which can decompose at a non-toxic form, but polypropylene is a petrochemical products, this material is difficult to degrade at room temperature or indoor environment, an outdoor environment also need about six months to degrade. In addition, non-woven in the production process will consume a lot of oil resources. If consumers do not re-use non-woven bags, currently on the market to produce a large number of non-woven products will remain a heavy burden on the environment.
Now there are some bags to prevent leakage, plus covered with a layer of polyethylene film or PVC coating. In fact, the most environmentally friendly or textile bag. For example, cotton bags, nylon bags, Oxford bags and so on.