ZebraTickets can be bought and printed out very comfortably to events with this sign . If you don´t have a printer at hand right away you can print the ticket(s) out any time you like because the .pdf file with ticket(s) will be sent to your e-mail address (that you entered when registering as online user). 
 
NB! ZebraTicket has a stripe-code, that gives the ticket its authenticity and gives you the passage to the event.