This is a burning belly button ring with a 316L high grade surgical steel shaft and a spinning holographic design. On side "hot", on the other side a burning flame logo. Size: 14 gauge, Length: 10mm 3/8" The externally threaded top ball size is 5mm. This navel ring measures 14 gauge and 10mm- 3/8 of an inch. Entire piece is nickel free.