Envelope, edge, no adhesion, lock-type structure, yogurt packaging structure, milk packaging struct

 Envelope,Edge,Separators,Non-stick,Lock-type structure, yogurt packaging structure, milk packaging structure

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 The sides are not closed on both sides, and the product can clearly see the internal product without falling out.