Stainless Steel CZ Flower belly ring with opal center stone. Safety Meterial:Made of surgical steel&Quality Acrylic, Highly Resistence to Rust, It Won't Hurt Your Skin, Comfortable and easy to Wear. Gauge&Size: Gauge of Bar: 14 Gauge=1.6mm, Bar Length is 9mm, Top Ball Diameter 5mm, Common Belly Piercing Size.Regular piercing gauge for most of the belly.Comfortable to use.