4 or 5 different cities: Amsterdam, Barcelona, Paris, Berlin, Rome, and London. Brussels (near where the main festival of Tomorrowland is held) is a mandatory choice
A choice of Bronze, Silver, or Gold in terms of hotel. Bronze is 3-star, Silver 4-star, and Gold 5-star. You can only choose one of these options and your hotels will be the class of that choice throughout the trip.
A choice of staying in a hotel or at the Dreamville campsite for the duration of the festival
A choice of the Tomorrowland Full Madness Pass (general 3-day access) or the Tomorrowland Full Comfort Pass (VIP 3-day access)
Other things to note:
This package is only offered in pairs
You must have the full name, address, contact information, birth details, and passport number of both members when you purchase the package. The cost to change each name afterwards is €300.
I chose the 5-city tour, my cities being Amsterdam, Barcelona, Brussels, Paris, and Berlin. I opted for the Bronze option, general Tomorrowland 3-day access, and to stay at a hotel in Brussels during the festival.