Shell (back) type leather case for the new iPhone XR, using Schlanken calf made by German "Pellinger" company. Pellinger is a long-established tanner founded in 1864. The company's Schlanken calf is a natural leather that features world-class color development and high quality softness, and is also used in famous maisons. This product is a luxurious case that uses high quality natural leather for all outer and inner linings.