Instruction of Polycello :

Transparent plastic film of single-layer or multi-layer lamination with the function of transparency, tough, resistance to coldness and oil, moisture barrier, air barrier, flavor barrier, heat sealing.

Instruction of Aluminium:

Aluminum and plastic material of single-layer or multi-layer lamination with the function of high moisture barrier, waterproof, air barrier, resistance to light, flavor barrier, heat sealing and long shelve life.