New Delhi, Nov. 11 -- Singapore Airlines (SIA) has unveiled its next-generation long-haul aircraft cabins, introducing a host of new features across First Class, Business Class, Premium Economy and Economy Class. The airline is investing more than S$2 billion in the cabin makeover, with upgrades focused on passenger comfort, privacy, entertainment and personalisation.

The biggest highlight is the new First Class cabin, where two centre seats can be converted into a double bed measuring 80 inches in length and 60 inches in combined width. The suites will also feature sliding privacy doors, premium leather upholstery, luxury bedding, personal wardrobes and 32-inch 4K entertainment screens.

Business Class passengers will get sliding privac...