Genuine Brown Ostrich Skin Black Lining Leather Approx. 6 3/4" x 3 1/2" Removable Plastic Check Separator Included USA Made This checkbook is made with beautiful genuine South African Ostrich leather that is tanned a rich brown. It is stitched with heavy duty nylon thread that matches the color of the leather. Every Yoder Leather Company product is hand crafted in our Amish workshop.