Materials: 1) leather, PU Leather 2) other materials according to customized requirements. Folder features: 1. Left: 1 position of A4 conference folder. 2. Right: 1 position and 1 pen slot of A4 conference folder 3. Folder, high quality sewing and excellent workmanship 4. Professional leather factory with 8 years manufacturing experience. Color: black or according to customer requirements