The base is made of black saddle leather, and the pen loop uses natural (camel) color. This is a handmade genuine leather pen holder refill for the Mini 6 size, finished with hand stitching. The stitch color is tan. *Images 8-11 are for illustration purposes only. *This listing is for the pen holder refill only. The planner and ballpoint pen are not included. **Size Reference** For the photos, we used the 'uni-ball one P (W13.9×D19.2×H116.8mm)' and 'Pentel ENERGEL (W11×D16×H147mm)'. It can be used for pens with a shaft diameter of approximately 14mm. **Leather** Saddle leather (neck). Finished with neatsfoot oil. --- ● Size (Outer dimensions) Height: Approx. 12.6 cm Width: Approx. 8.1 cm Width (pen loop part): Approx. 10.2 cm ● Quality As this is a natural material, there may be scratches, tiger stripes, and stains on the surface. Please understand this in advance. ● Material Cowhide (tanned) --- *This is a handmade item, with all processes done by hand. Minor scratches, wrinkles, and stains inherent to the leather, as well as small marks from the crafting process, are not considered defects. Please consider purchasing with your understanding and consent.