Cartilage hoop or belly ring cbr earring with a silver feather and a black onyx gemstone. Also can be used for the tragus, conch, lobe, helix, etc piercing. 316L surgical steel hoop earring measures 10mm. Silver feather is 20 mm long. Captive bead rings are available in 16, 18 & 20 gauge and can also be used as a belly button ring. Please see the 4th photo to choose your feather style.