Thank you for viewing! ^^ Thickness: Approximately 1.3 to 4 mm Engraving available. A4 x 3.5 sheets or more, large size Soft, with some irregularities The color of the leather may have slight variations, and the actual color may not be accurately reflected in the photos. Please refer to the photos when purchasing. Please note that as this is natural leather, there may be scratches, wrinkles, and holes. Due to the nature of the leather, there may be fine scratches, veins, wrinkles, and holes.