Ball Closure Ring.
With this style of ring, the ball pops off, and then has to be popped in using the indents in the side of the ball. 
This Hoop comes in different thickness, so you will need to gauge the current thicnkess of your piercing to ensure you order the correct size. In addition, the ball closure ring has different diameters which you will also need to know. 
This product is made from Surgical Steel.  
This hoop can be used in many piercings; But as previously mentioned, you will need to know the size of your current piercing to ensure you order the right size. For hygiene reasons, returns and exchanges are not accepted on any body jewellery. This does not affect your statutory rights.
Cartilage/Helix
Tragus
Daith
Rook
Anti-Tragus
Forward Helix
Conch
Eyebrow
Septum
Lip
Nipple
Belly
Intimate