Opal discounters generally refers to the bag can be used repeatedly, and the material can be natural degradation of shopping bags. These products are safe and environmentally friendly. For the construction of a resource-saving and environmental friendly society, from the source to take strong measures, urge enterprises to produce a durable, easy recovery of opal parity supermarket bags, guide and encourages the masses to rational use of plastic shopping bags, promote the comprehensive utilization of resources, protect the ecological environment, further promote the work of energy-saving emission reduction.