Blackline jewelry such as this is surgical stainless steel in which the is metal coated in black by a special process insuring that your body jewelry will stay black and neither chip nor fade. This curved barbell is available in a number of lengths so that it can be made to fit navel piercings, orbital piercings, genital piercings, nipple piercings, or virtually any other piercing you can create. Order the largest ball size for navel or nipple piercings, or order the smallest 4mm ball size if you have an eyebrow piercing.