Thank you for viewing! Thickness: Approximately 1.2 to 1.5 mm Stamping is possible. It's soft nubuck, oil leather, etc. The color of the leather may have subtle variations, so the actual color may differ slightly from the photos. Please refer to the photos when purchasing. Please note that as it 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.