(Requested Specifications) Dimensions similar to a narrow size: Height 17cm → 21cm ✖️ Width 8cm Desired options: ・Left and right mini pockets: 1000 ・Refillable pen holder: 1500 ・Protective sheet: 2200 ・Size change: 1000 2-hole type, ring diameter 15mm → 19.5mm https://www.kanaguya.net/binder/bb-ss212_2_19r17.html?srsltid=AfmBOorno8qnOclKVrFhh4gkL_lz5z-q8TNUCSenjNMEu63yAjn_KxEE ・Add one hole at the center of the top edge (fold line), about 2mm from the top edge, with a diameter of approximately 5mm for attaching a strap, etc. (corrected with metal fittings, etc.) ・A4 Italian leather, color: Navy (Price) Prices are based on the reference source. We will provide a revised estimate once the specifications are finalized. (Reference Product Information) ♪ Main standard specifications: The rings are screw-on and detachable. The screw heads are visible from the spine. Ring guards and large pockets on the left and right sides are included. Currently offered as a special feature. ※ Ring hardware 1000 (estimated) The actual cost (including fees) at the time will be added due to fluctuations in procurement costs. The following are options (additional costs): Costs are estimates. They may vary depending on the content. ・Left and right mini pockets: 1000 ・Refillable divider: 1000 ・Refillable pen holder: 1500 ・Protective sheet: 2200 An extended version of the ring guard. By inserting it into the left and right pockets, the screw heads of the ring hardware will not be visible from the spine. It is removable and can also be used as a notebook cover. Note that the ring guard will not be included when this option is selected. ・Size change: 1000 The overall size is designed with a ring diameter of 20mm as standard, but it can also be changed to 15mm or 30mm as an option. ♪ Materials can be selected from various types of Italian leather. Please refer to the following for samples. https://jp.mercari.com/item/m60534177198?afid=0769274469&source_location=share&utm_medium=share&utm_source=ios