BioFlex Barbells with a fixed ball on the end. Ideal for Ear, Lip, Tongue, Eyebrow and Nipple piercings. Can be used as a retainer or to help heal problematic piercings that are taking a long time to heal. Secure in place with a push fit ball or push fit disc. Orings can also be used to secure the jewellery in place, or simply thread a ball onto the end. BioFlex is highly bio-compatible. It reduces the chances of an allergic reaction to almost zero. BioFlex is adjustable. Just cut it with a sharp blade. Once the piercing has healed, the BioFlex shaft can be shortened again. BioFlex highly flexible and bends with the body for ultimate comfort.