Envelope, edge, no adhesion, lock-type structure, double-inserted lock cover, yogurt packaging stru

 Envelope, edge, no adhesion, lock-type structure, double-inserted lock cover, yogurt packaging structure, milk packaging structure, beverage packaging

Structural features:
1 a paper folding molding, no glue, through the bottom snap seal;
2 Open half round hole position at top, stuck to the bottle is not easy to shake;
3 Box-type side for the vertical structure side of the oblique structure, more able to show the product.