Glow in the dark.7 bright colors, randomly sent.You can unscrew the balls.Style: FashionTheme: BeautyGender: Women&39;sBody Area: NavelQuantity: 7 PcsColor: RandomlyMaterial: Surgical Steel, PlasticFeature: Elephant, Body Piercing Jewelry, SweetOccasion: Belly Dance, Party & Banquet, Festival/Birthday Present, Christmas Gift for FriendTotal Length: 23mm/0.91" (Approx.)Bar Length: 10mm/0.39" (Approx.)Bar Diameter: 1.5mm/0.06" (Approx.)Ball Diameter: 5mm/0.20", 8mm/0.31" (Approx.) Notes:Due to the light and screen setting difference, the item&39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x 7 Pcs Navel Rings