This service is a con, I used the service back in May, it stated that it was free to print labels, at the end of the month I was billed for £2.50 per label for this service, I have scince complained to trading standards as they are deliberately misleading their customers into using a service that is not free. When I contacted shuttle they also lied to me and told me the payment was for delivery, but I had already paid that, I would advise anyone who has had the same experience to contact trading standards.