Why Do Wine Bottles Have a Dimple in the Bottom?

Wine bottles have calculated design features.

Winemakers throughout the world give considerable thought to the packaging of their products, including bottle design. The dimple in the bottom of many wine bottles is known as a "punt," and there are various explanations for the functionality of this feature.

Design

According to the Oregon Wines website, one reason for the punt in the bottom of a wine bottle is to allow sedimentation to settle around the base. This makes it less likely that it will be disturbed and end up in your wine glass as it is poured.

Functionality

Punts can aid in holding and pouring from a wine bottle if the holder places his thumb in the punt and grasps the larger portion of the bottle with his remaining fingers. Punts also can provide a sturdy surface for a wine bottle when it is standing upright, and can add strength to the base of larger champagne-style bottles that hold wine under pressure.

Appearance

Aesthetics also contribute to the popularity of punts in a bottle's design. They tend to give the bottle a rounded appearance that is considered sleek and stylish.

References

• Oregon Wines: Wine 101 -- Educating Wine Lovers About Oregon Wines
• Wine Intro: Punt Wine Bottle Indentation