Inside Eurostar's business lounge at London's St Pancras train station, which has a free cocktail bar with its own brand of gin

Alison Millington / Business Insider

We even got the staff to bring us some Champagne.

• The Eurostar is the high-speed train that links London to European cities like Paris and Amsterdam.
• On a recent weekend trip to Paris, I checked out Eurostar's newly revamped lounge for Business Premier passengers at London's St. Pancras International.
• It was pretty luxurious - and even has a free cocktail bar with its own brand of gin.

The Eurostar, the high-speed train that links London to European cities like Paris, Brussels, Amsterdam, and Marseille, is arguably one of the best ways to travel - especially in business class.

Called "Business Premier," passengers travelling in this cabin are treated to express check-in and complimentary drinks and fine dining on board, as well as access to a lounge which was recently given a shiny new cocktail bar.

Read more: I drank at the best bar in the world, and I was surprised by one thing

On a recent weekend trip to Paris, I checked out the new business lounge at London's St. Pancras International.

Here's what it's like inside.