第三个 Each unique, heart-shaped box was glued to hold a bag of M&M's in place and then hand-locked via a tab on its back panel. To keep the smallest carton from tearing when loading the M&M's bag, Graphic Packaging designed an innovative diecut relief area that was glued for added strength.
每个心形纸盒装一袋M&M巧克力，然后通过背面的一个舌头，手工锁合。盒子上创新设计了一个模切形状，通过粘合来加强盒子强度，避免放入巧克力是撕破盒子。
--这样看，应该主要在设计上。可惜看不到展开图。