Disclaimer: The subscription card is valid on all days of the week. Stamping is done per whole hours, half-hours are not possible. If you would like to use the track for two hours, we will stamp 1.5 strips. A subscription card is personal and non-transferable. A strip card is valid up to 12 months after purchase. Refunds for a subscription card are not possible. The holder of the subscription card is responsible for keeping the card, in case of loss or theft you cannot rely on any unused strips.