The penis cage is made of strong and durable metal that provides a tough look. You can wear the cage for a longer period of time thanks to the openings in the cage. The ring that is placed around your balls can be attached to the cage by using the lock. The cage can only can taken off when you use the key to unlock it. The metal is easy to clean and can even be warmed up or cooled down in a bowl of water for added sensations.