Seal packaging method        Vacuum package device is able to "seal" the products in a "vacuum" space. The methods are as shown below.   What is sealing?      Even though sealing storage method is not as effective as vacuum storage method, it is able to effectively block out      external air from degrading the contents inside.      Even though its storage period is shorter, it may be effectively used for short-term storage period. However,      it is recommended to use the vacuum function for storage of various goods.   How to use the vacuum packaging device (Vacuum time may differ based on the size)