There are different style belly bars, provide multi choose for daily wear; Best Choice for you! , Material: 316L Stainless Steel and Cubic Zirconia,Hypoallergenic and nickel free body jewelry. , Gauge: 14G(1.6mm), Bar Length: 10mm, Ball & CZ Size: 5mm and 8mm. , High Polish Smooth Surface, Shine and Stylish, High Resistance to Rust and Corrosion. , Package include:4PCS per pack(4 Styles), come with one free gift velvet bag.