This is a set of two notebooks: KOKUYO ruled paper, double-sided, B5 size, vertical, white high-quality paper, 13 lines, 50 sheets, blue print (Kei-20B) and red print (Kei-20). The original retail price was 355 yen each. Size: B5, Vertical Product Name: Double-sided ruled paper Height x Width: 250 x 177 mm Ruling: Vertical writing Number of lines: 13 lines Number of sheets: 50 sheets Line spacing: 10.5 mm Paper quality: High-quality paper These items were found at a stationery store that has closed down. They are new and unused, but there may be minor scratches, stains, and sun damage due to aging. Please understand this before purchasing. Therefore, they are being sold for about half the original price. Please be aware of this if you are looking for a pristine item.