Although most of vacuum packing bag is made of aluminum foil bag, the material is more expensive, but it is hard to composite use, material again good, also need to vacuum, cannot draw into a vacuum vacuum bag, is not the function of quality.
So, vacuum bags can't repeated use, can only be used as a disposable packaging, after using the abandoned.
The ability of vacuum packaging can protect the goods mainly comes from the vacuum, without the protection of the vacuum, goods is very easy to rot, especially food, can't protect the food.
If repeated use, need the help of vacuum machine, also need the help of heat sealing equipment, this is what family does not have.
The tea bags 】