This is the new and hard to find Attack on Titan Trainee Eren Yeager's Key Necklace prop replica made by Great Eastern Collectibles. Remember your family with the Attack on Titan Eren Yeager's Key Necklace! Fans of Attack on Titan will love this replica of the key given to Eren Yeager by his father. Key emblem is approximately 3 1/2 inches (9cm) long. Comes new on a sealed hanging card.