The contractual duration begins with the purchase of the membership, is concluded for a specific period of 2 months and is automatically extended by a further 2 months after expiry unless it is cancelled on time. With this membership, you can book a maximum of 12 classes within one-month-period always starting with the day you first purchased your membership (e.g. Nov 7th, Dec 7th, Jan 7th, etc.). In addition, 2 shakes per each one-month-period are included in the membership for you. Unused classes and shakes, which are not used within this period, will automatically expire. The membership can be canceled by you up until the last day of the respective 2 months duration.