The products

Boxed wine and spritzers

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Boxed wine The packaging is three suppliers Its advantage is oxygen Wine spritzer Which is where 250 mL matters Carbonation is still a pressure question Single-serve is a growing category And the label gets no smaller References

Three litres and five litres are the boxed sizes because of where the rule changes.

Boxed wine

A bag inside a carton with a tap. Three litres is on the list of authorized sizes and five litres is an even litre, which is why those two are what the format is sold in.

The packaging is three suppliers

A bag converter, a tap supplier and a carton converter. None of them is a bottle supplier, and nothing in this catalog serves any of the three.

Its advantage is oxygen

The bag collapses as wine is drawn, so the remaining wine is not exposed to a growing headspace. That is a genuine technical advantage over a part-finished bottle rather than a convenience story.

Wine spritzer

Wine with added carbonation and usually flavouring, sold in small single-serve formats. Its class and type designation depends on what has been added and in what proportion.

Which is where 250 mL matters

An authorized standard of fill, a natural single serve, and the one size where this catalog has real depth at thirteen containers.

Carbonation is still a pressure question

A spritzer in a container not rated for it is a hazard. The 250 mL containers on this shelf are not pressure-rated, and that is the limiting fact rather than the capacity.

Single-serve is a growing category

It solves a real problem, which is that a bottle is a commitment. For a small producer it is also a way into venues and events that do not want to open bottles.

And the label gets no smaller

Brand name, class and type, alcohol content, name and address, net contents, sulfites and the Government Warning on a 250 mL container. That is the hardest layout in this property.

References

27 CFR 4.72, metric standards of fill for wine. Twenty-five authorized sizes from 3 litres down to 50 millilitres, including 3 L, 2.25 L, 1.8 L, 1.5 L, 1 L and 750 mL. Above that: "Wine may be bottled or packed in containers of 4 liters or larger if the containers are filled and labeled in quantities of even liters (4 liters, 5 liters, 6 liters, etc.)." law.cornell.edu

27 CFR 4.32, mandatory label information for wine. The brand label carries the brand name and the class, type or other designation. The name and address, the net contents and the alcohol content may appear on any label on the container. A sulfite declaration, "Contains sulfites" or an equivalent statement, appears on a front, back, strip or neck label where sulfur dioxide is detected at 10 parts per million or more. law.cornell.edu

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.