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Wine
All Containers›Shop by use case›Wine›Standards of fill›Above three litersShop all wine →
Standards of fill

Above three liters

By Dwight Davis, Founder

On this page9
"Filled and labeled in quantities of even liters." Four, five, six, and so on.

The provision

"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.)."

Which is a different kind of rule

Below three liters the question is whether a size is on a list. Above four liters the question is whether a number is a whole liter. A closed enumeration becomes an open test.

Note the gap

The list tops out at 3 liters and the even-liter provision starts at 4. There is no 3.5 liter wine, and the gap is in the regulation rather than in the market.

This is why boxed wine works

A bag-in-box at 3 liters is on the list, and at 5 liters it is an even liter. Both are lawful, which is exactly why those are the two sizes the format is sold in.

And why 4.5 liters is not a product

It would be a lawful bottle size for nothing. The rule is simple enough that it is easy to comply with and absolute enough that a near miss is a complete miss.

Packed, not just bottled

The wording covers containers packed as well as bottled, which is what brings a bag inside a carton inside the same rule as a glass bottle.

Large formats are a different packaging business

A 5 liter bag-in-box is a bag supplier, a tap supplier and a carton converter rather than a bottle supplier. Nothing in this catalog serves it, and that is worth saying plainly.

The warning type size changes up here too

The Government Warning minimum steps up above 3 liters. A large format is a different label layout as well as a different container.

References

27 CFR 4.72, metric standards of fill for wine. Twenty-five authorized sizes from 3 liters down to 50 milliliters, 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
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.