How to keep pp woven bags?

Pp woven bag is widely used in packaging products in our life. 

In order to ensure its use time, we should keep the followings:

1.      In dry environment.

2.      Keep away from pests

3.      Far way from flame

4.      Be stored away from direct sunlight.

         This is because ultraviolet rays will cause the aging of the material.

It can last between four and five years by following the aboves.