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Wine
All Containers›Shop by use case›Wine›Containers›ClosuresShop all wine →
Containers

Closures

By Dwight Davis, Founder

On this page11
Cork, crown and screw cap are three different specifications, and this shelf has a fourth.

What is here

183 closures: 128 continuous thread, 17 spouted, 15 flip top, 12 lug and twist and 4 specialty.

The wine screw cap is not a CT cap

A Stelvin-style wine closure is a long aluminium skirt over a specific bore finish, applied by a capping head. A 38-400 continuous thread cap is a packaging closure and a different object entirely.

The cork is a bottle specification

A cork seals by compression against the bore of the neck, so the bottle and the closure are specified together. It comes from the glass supplier and the cork supplier rather than from a closure catalogue.

The crown is for sparkling

And for bottle-conditioned wine during fermentation. It needs a crown finish on the bottle and a crowner, which is a different line.

So what are the 128 for

Everything adjacent: a spritzer base, a juice or must sample, a bench trial, a decant. Real uses in a winery that are not the finished bottle.

Oxygen is the thing the closure controls

Each wine closure type has a characteristic oxygen transmission, and that is a winemaking decision about how the wine should develop. It is not a property a packaging thread is specified for at all.

Which is why this page is short on recommendations

There is no closure on this shelf that should go on a finished bottle of wine. Saying that clearly is more useful than finding the nearest thing.

The one adjacent use worth naming

Lug and twist closures, 12 of them, are a food-jar closure and they appear here because the archetype is a bottled beverage. For a wine jelly or a verjus they are a real answer.

Ask the glass supplier about the finish, not the cap

With wine the neck geometry and the closure are specified together. The useful question is which finish the bottle carries, because that decides which closures exist for it at all.

Changing closure type is a winemaking change

Not a packaging swap. Moving from cork to screw cap changes the oxygen the wine sees over years, which changes how it develops. It belongs in a conversation with whoever made the wine.

References

The Davis Pack Supply catalog, measured 18 October 2026. The wine shelf is 328 rows: 145 containers and 183 closures, 124 PET and 21 glass, from 250 to 976 mL with a median of 473. Twenty of the 145 sit at an authorized standard of fill: 13 at 250 mL, 6 at 500 mL and 1 at 750 mL. No cork finish, no crown finish and no capsules.
Written from 27 CFR 4.32, 4.39 and 4.72, and from the catalog as it stood on 18 October 2026. Wine is federally permitted, separately regulated by every state, and subject to label approval; permits, formula approval and appellation determinations are outside what these pages cover.