【Product Information】 This bag has a simple design, making it versatile for everyday use and travel. The vertical design makes it easy to store documents and the like. Also, the opening is wide, making it easy to see inside. Please check the size in the images. Some stains are visible, but it's still usable! Please check the inside in the images. The inside is very clean. The notebook in the image is B5 size. Please note that it will be folded for shipping.