This is a single ticket to travel from any station within zone 1 or 2 to Parc des Expositions RER station or vice versa. You can start your journey from any Metro/RER station within zone 1 or 2 to catch the RER B (you can change to the RER B line at various stations - Cité Universitaire, Denfert-Rochereau, Port Royal, Luxembourg, St Michel-Notre Dame, Chatelets-Les Halles and Gare du Nord) or from any station on the RER B line between the stops of Cité Universitaire and Parc des Expositions.
This is a material ticket which will be sent to you by post.
NB: If you decide to physically leave the underground system during your journey, your ticket will no longer be valid. For a return journey, please purchase two tickets per person.
Please note that Paris Metro tickets and RER tickets have a magnetic stripe on the back. Please take care not to bend, tear or scratch the tickets and keep them away from mobile phones. If one of the tickets doesn't work on the day of use, you will be able to take it to any RATP booth in Paris and ask for a free replacement.