Plastic bag is our daily needs, so it is important for  us. The first, we need plastic bag to shopping. It is can bring many things. Then plastic bag also light. Second, To keep our goods from water.If rain, we never afraid because plastic bag created with waterproof. Plastic bag more lasting then box. Price of plastic bag cheaper then box. Third, to keep our food from dust.Â
When you want picnic with your family and friends. So, your food  still higienist althought plastic bag contain chemical but it is not direct dangerous for our health. Fourth, easy to carry or simple,All of you can bring plastic bag every time and every where.The last, easy to find.Many shop sell it with different price and quality. You can choose one suitable for your need. Finally, give free for plastic bag.Â