【High-Quality Leather】 This system notebook is made of durable leather, allowing for long-term use. 【Convenient 6 Rings】 It has six rings, making it easy to replace refills. You can customize it to suit your own style. I think pocket-sized refills can be used. - Color: Navy, but now it looks like a light brown - Material: Leather - Number of rings: 6 rings The pen holders on both sides used to bump into each other, so I cut the left side for use. I don't smoke, and I don't have any pets. Anonymous shipping will be used.