This is a B5, 26-hole binder. 【Specifications】 Size: 215 x 280 x 25 mm Metal fittings: Inner diameter 19 mm, medium size (made in Japan), holds 100 sheets Cowhide: 1 piece of leather, approximately 1.5 mm thick Color: Navy blue, a feeling of weight. Uses high-quality leather. This binder is made with plenty of cowhide. The natural patterns of the leather are visible. The leather used has a firm and resilient feel. The lining uses split leather. The more you use it, the more character it will develop. #Memo #Information #Organization Made by Daichiro Uematsu Workshop We also make Paracare series notebooks. Please refer to them. Type of notebook/memo pad: Loose-leaf, plain Paper size: B5 (no description)