10cm tall, 13cm wide. This wallet is convenient with card slots and pockets, making it easy to use. I bought it about 10 years ago and used it until recently. It has aged well, both in a good and bad way, and feels comfortable in the hand. The zipper moves smoothly. The snap button feels a little loose. I don't think it will be difficult to use. There is no shape distortion, and since it's black, there are no noticeable stains or scratches on the surface, but the coin purse and pockets show signs of use and coin stains. Please check the photos. Please resolve any concerns in advance before purchasing. Please refrain from purchasing if you do not understand used items. Feel free to ask any questions. Thank you.