The structure of spout pouch normally is 4-layers with aluminium or 3-layers PET/NY/PE,using special weld technology to weld spouts with different shapes and sizes.The spout pouch is a new packaging product with many properties such as high barrier,beauty printing,convenience usage,envirnment etc.In Europe,Japan and other development countries,the kind of pouch is widely used for the packaging of cosmetic,hair dry,shampo,body wash etc.In China,more and more customers use this packaging or be on the trial.