1. EVA lining has protective function, and EVA lining is also the most basic function of packaging, even if the goods are not damaged by various external forces. Goods must be recycled many times before they enter shopping malls or other places and eventually reach consumers. During this period, it needs to go through loading and unloading, transportation, inventory, display, sales and other links. In the storage and transportation process, many external factors such as impact, humidity, light, gas, bacteria... All these factors will threaten the safety of commodities.

2. EVA lining also has convenient function. The so-called convenience function is whether the products packed with EVA lining are easy to use, carry and store. A good EVA lining packaging work should be "people-oriented" and should be considered from the perspective of consumers, which will close the relationship between commodities and consumers, increase consumers'desire to buy, increase their confidence in commodities, and promote the communication between consumers and enterprises.