Would you like to treat yourself to exquisite moments of relaxation or do something special for your loved ones? Choose from our selection of gift certificates and give the gift of ZEN. The certificate is valid for 12 months from the date of issue indicated on the certificate. After this period, the recipient forfeits the entitlement to provision of the services without compensation. The validity of the certificate can be individually extended by a maximum of 14 days. Extension must be agreed by telephone before the certificate expires.