Can protect the goods, avoid the risk of sun and wind, etc.
Packaging bags in the printing time, is about in the packaging bag added a layer of protection, this product protection can also play a very important role.
can increase the value of goods and the value of use
Printing patterns or words on top of a package can also add an added value to the product. Thus, the overall value of the product and the value of the use, which is now to increase the value of goods one of the more important means.
Can play a role in promoting some products or manufacturers
The main features of some of the products on the packaging bag are the advantages of the product, or the brand of some products manufacturers, and when the user sees it, it will be a bit more impressive. Thus, play a latent meaning of the propaganda role, is tantamount to playing a free advertising, so you can play the role of the birds and the birds.