Internal PE layer: product contact surface 

 

Adhesive resin: adhesion between aluminium and product contact surface layers 

 

Aluminium film: light, gas and contamination barrier 

 

Polyethylene: lamination layer between alu  film and carton material 

 

Carton: package structure for strength and stability 

 

Printing: High imapct graphics 

 

External PE layer: protection against humidity and external Contamination