1件式双壁折叠盒包装设计（含刀版）

This 1-piece box is a retail standard behind the counter.  “Double wall” refers to the thickness of the lid and base as it folds in to itself for added rigidity.

这个1件式盒子是柜台后的零售标准。“双壁”是指盖子和底座折叠以增加刚性时的厚度。