This is a handmade pen case made from vegetable-tanned leather (nume leather) for storing three pens. It will protect your pens from scratches, prevent ink from leaking in your bag, and keep them from getting lost. 【About Undyed Nume Leather】 This is "kiji" leather, which is in its pure, untreated state. It is a material that allows you to enjoy the aging process, where the leather gradually changes to an amber color over time, a characteristic unique to nume leather. "Kiji" refers to the color close to the natural skin tone of the material, as it has not been dyed. "Neat's-foot oil" has been applied for moisturizing and protection, resulting in the amber color change over time. Please review the images and make your purchase with understanding. *Product Details* ◇ Thickness: Approximately 1.3mm ◇ Type: Cowhide, vegetable-tanned nume leather ◇ Texture: Firm ◇ Sewing: Machine-stitched ◇ Width: Approximately 5cm, Height: 15.8cm The items for sale are all handmade, including cutting and sewing. Colors may vary slightly depending on your monitor, digital camera, and lighting conditions. ◇ Shipping Details We plan to use Yu-Packet Post Mini.