Wine Boxes Put in Garbage Cart Ways to Reduce Open Boxes Last One Month Vacuum-sealed bags prevent oxidation from spoiling boxed wine, so boxed wine can last up to a month or more once it’s been opened. Avoid throwing away leftover boxed wine right away. Did You Know? More Economical and Eco-Friendly The manufacturing process for boxed wine demands fewer resources. Boxed wine weighs less than bottles full of wine, so shipping has a substantially smaller carbon footprint. Read more on the argument for why Americans should join the Australians and French in embracing boxed wine. House Wine? Probably From a Box Restaurants prefer boxed wine for a number of reasons: not only is it easier to store, but there are more glasses of wine in a box than a bottle. Boxed wine giant Franzia reported that in 2007, more than 88 million glasses of its wine were served in American restaurants.