Cowhide. Tannin-tanned ✨️ Aniline finish ~ Lightweight leather ♪ It adds "lightness" without compromising the appeal of genuine leather. The product is characterized by its light weight. - Color: Mustard - Material: Cow Nume Leather - Texture: Firm and soft - Thickness: Approximately 1.1mm - Size: A4 x 2 sheets, almost A4 x 2 sheets - Quantity: 4 sheets - Features: Lightweight leather. The natural expression of the leather is attractive, thanks to the aniline finish. ※ This is natural leather. Some scratches, wrinkles, and veins are unavoidable. Please understand this before purchasing. Feel free to comment with any requests or questions.