On a crowded shelf, your packaging has roughly one second to make a case. Before a single word is read, the structure, the weight in the hand and the confidence of the layout have already spoken.
Great packaging is not decoration applied to a box. It is a strategic decision about what to say first, what to leave out, and how the product should feel before it is even opened.
Material is message. An uncoated stock signals craft; a soft-touch finish signals premium; a recyclable mono-material signals values. None of these are neutral.
Restraint is the hardest discipline. The brands that win the shelf are almost always the ones brave enough to remove, not add.