The most-seen design nobody calls design
Convenience store packaging is looked at more often than any poster, museum or logo, and it is designed to be understood in half a second by somebody who hasn't decided yet.

A triangular package with a bold diagonal band across it. ONIGIRI in chunky rounded capitals.
TUNA MAYO smaller underneath. A starburst at the corner: NEW.
Cyan, orange and green, all at full saturation, printed on plastic film under fluorescent light.
Why is this worth taking seriously?
Because more people look at it than at any other designed object.
A convenience store carries a few thousand items, most people visit one several times a week, and every package on those shelves was designed to win a half-second decision. That is an enormous amount of design work, done to a brutal standard, that nobody frames or writes about.
The good ones are extremely good. They just aren't in the category people call design.
What's the brief?
Say what it is, from two metres, to somebody who hasn't decided yet.
That produces a very consistent grammar: a large product word, a small flavour word, a colour that codes the category, a diagonal to imply freshness or motion, and a burst badge for whatever needs shouting. Nothing subtle, because subtlety loses at that distance.
The burst is the most honest element in commercial design. It exists solely to say look at this one.
Why so saturated?
Because it's competing with fluorescent light and everything else.
Under bright even lighting, mid-tones disappear and only saturated colour reads. So packaging palettes go hot — full cyan, hot orange, grass green — and use them at large scale rather than as accents. On a shelf this is necessary. On a garment it's simply loud, which is an option not many prints offer.
That makes it the opposite pole of this section from a fine repeating pattern, and both are Japanese design.
Can I use a real product?
Product names, packaging designs and store brands are all owned and defended.
Convenience store chains are major companies with strong house identities, and their private-label packaging is designed in-house and protected. The manufacturers of the branded goods likewise. Licensable, as always, but this is live commercial trade dress rather than a heritage form.
Inventing the product is easy and where the joke lives. The grammar does the rest.
What should it say?
A category word and an unglamorous flavour.
The comedy is in the specificity: TUNA MAYO is funnier and more evocative than anything invented,
because it is exactly the register. A real thing somebody eats every week, presented with the full
apparatus of packaging enthusiasm.
NEW in a burst, on something that has been the same for thirty years, is the other half of it.
Is it just a joke shirt?
It's a joke and a genuine graphic, which is the balance this whole section aims for.
The design is honestly good — the diagonal band, the type hierarchy, the colour coding all work. Somebody who has never been in one of these shops reads it as a bold piece of packaging graphics. Somebody who has reads a specific shelf at a specific hour.
That double reading is the thing: legible outside, precise inside.
Does it print well?
Extremely — this is flat, saturated, hard-edged artwork.
Full-strength colours with hard boundaries and heavy rounded type is close to ideal. The only element to watch is the glossy plastic sheen: a soft highlight gradient goes grey on cotton, so it wants to be a hard-edged white shape rather than a fade.
Off-white and pale grey grounds let the colours do the work. Four inks is justified here, which is rare in this section.
How do I get one made?
Describe the package at JustOG — what it contains, what the flavour is, and what the burst says. Pick a direction, drag the crop frame, see it composited on the real garment, and it's made to order and shipped.
Designs other people have published are in the shop.
Somebody agonised over that diagonal. It's holding a rice ball.