Train Rings E231 Series Chuo/Sobu Line Color (Lead Car) x 1 E231 Series Chuo/Sobu Line Color (Middle Car) x 2 A total of 3 cars set. Capsules not included. The product is a ring-shaped figure that recreates the E231 series train cars on a ring that resembles a railway track. When worn on your finger, you can enjoy a unique design as if your finger has become a railway track. Train Railway Complete All Types Full Complete E231 Series Capsule Road Sobu Rapid Line Chuo-Sobu Line Chuo Line Sobu Line Yamanote Line Railway Ring Train Ring 1st Edition Everyone's fingers become railway tracks!