Passenger comfort on KLM's flights are just as important as safety and security. There are 3 travel classes available:
Economy Class - passengers have ergonomically designed seats, and extra legroom for a fee. On intercontinental flights passengers can select special meals for dietary or religious requirements and relax with a personal entertainment system.
Europe Business Class - passengers have priority boarding, extra baggage allowance, high quality meals and double Flying Blue Miles.
World Business Class - passengers also have sleeper seats with a massage function, as well as access to Crown lounges.
The Flying Blue program lets passengers to earn miles as they fly, there are 4 levels to the frequent flyer program. The miles can be redeemed against services and products with over 100 airline partners.