This is the "Hamilton" from the British planner brand fILOFAX. It's made of genuine leather with a matte finish that feels great in your hand. This model with a zipper is quite a rare item. The ring size is 30mm, so it can hold a lot of refills. As a bonus, I'll include a new, made-in-Japan Tsubame Note refill (dot grid). *Stored at home. *There are some scratches and dents on the inside, so please care for it with leather cream. *Please refrain from purchasing if you are concerned about the condition of the product. Height: 260mm Width: 210mm Thickness: 45mm Ring Size: 30mm