IrbingNii Nipple Rings Piercing Women Bar Body Piercing Jewelry Mouth Teeth Model Bar length:22mm/0.866inch,available length:17mm/0.669inch Bar diameter:1.6mm/0.062inch,ball diameter:5mm/0.196inch Weight of one nipple ring:0.11oz / 3g Do not wear this nipple ring in chlorine swimming pools or hot tubs. Package : 2Pcs