April 24: Metal closures for bottles of Champagne will be shown by Paris-based producer Duval-Leroy at the London International Wine Fair in May.
It is thought to be the first time that the traditional champagne cork has been replaced.
The caps – called Maestro – have been specially designed by Alcan Packaging to retain the familiar ‘pop’ of a cork being opened, and could also be used on sparkling wines.
