Thank you very much for viewing this product. Immediate purchase is welcome. Selling three books together. This product was discontinued on March 1, 2022. No substitute available. With this one book, you can manage your schedule with 31 dividers, one for each day. You can easily take them out just by inserting them, and you can even classify your daily schedule by combining them with color files. (Color files are not included.) Price: ¥2310 per book Specification: A4 size Size: 318mm (height) x 260mm (width) x 33mm (spine width) Material: Cover, Index sheet / Polypropylene Please feel free to ask if you have any questions. Please understand that this item is stored at home. Also, please note that responses to inquiries and shipping may be delayed due to work. Thank you for your understanding. #LIHIT LAB. #Lihit Lab