Why the tea leaves packed in cardboard paper tube packaging?

At present, the packaging of tea market mainly uses cardboard paper tube packaging, iron cans, wooden boxes, purple clay jars, porcelain jars to store. There are so many storage and packaging methods, but the use of cardboard paper tube packaging is the vast majority. Why is that? Because of the following advantages:

1, cardboard paper tube packaging is lighter and easier to transport, and not easy to damage.
2, the sealing effect of cardboard paper tube packaging is better. Better moisture resistance.
3, most tea needs to be kept fresh, the use of cardboard paper tube packaging be a good way to prevent water droplets in the event of heat.
4, the cost of cardboard paper tube packaging is lower, useful cost savings to increase market competitiveness.