These plain Surgical Steel bananabells have two plain removable balls on either end of the curved stem. A very versatile piece of jewellery, bananabells (also known as curved barbells) can be used in most piercings as long as your jewellery fits your piercing correctly. Navel Bananabells have a larger ball at the bottom and a smaller detachable ball at the top which also allows you to add a Jewelled ball or Cone.