Black Oxygen Barrier Bottle Caps | 29mm | Magnum Champagne Bottle Crown Caps

• Extra wide 29mm crown caps
• Used for capping magnum champagne bottles and other specialty bottles with a wider neck opening
• Oxygen barrier liner protects your beverage from oxygen ingress

For magnum champagne and other specialty bottles that require a 29mm crown cap. They feature an oxygen barrier liner that helps protect your beverage from oxygen ingress after capping.

These bottle caps are not compatible with standard beer bottles.