30 Pcs Colorful Sexy Belly Bars Body Piercing Button Ring Navel Barbell Jewerly Material:Acrylic Main Stone: Rhinestone Small Diameter: 0.5mm/0.02" (Approx.) Bar Diameter: 1.6mm/0.06" (Approx.) Bar Length: 10mm/0.39" (Approx.) Big Diameter: 0.8mm/0.03" (Approx.) Perfect body piercing jewelry, excellent as gift to friends or families.