packaging carton design|top open design

It is a top opening folding carton. 

Packaging design features:Unlike J002, this structure design has the fifth board structure design, so that strengthened the drop strength.
1 A piece of cardboard after folding, edges glued, forming a tube box. 
2 Hand structure, more suitable for handling.
2 Top opening, suitable to put something you need stuffs or files. 

Packaging design advantages and usages:
1 This kind of packaging design is often used to put the office file or study file.
2 Top opening for taking and putting at any time..

Packaging carton design features:
1 If not with big sizes, generally adopt the one piece type.
2 Carton packaging is one of the most used packaging structure on the market.
3 All cartons finally is basically a square or rectangle, so when do step and repeat will not waste paper, and save cost.