Unopened. I received this as a gift, but I won't be using it, so I'm offering it to someone who is looking for one. The following is from the official website: [Product Information] A schedule notebook where you can write down your child's annual schedule in one book. It's a compact size, making it easy to carry around and store in a small bag. 〈Size〉 ・Height: Approximately 17.4cm × Width: Approximately 9.6cm (with cover, closed) 〈Contents〉 ・December 2025 - January 2027 (14 months) ※Includes the Rokuyo (lunar calendar)