Includes: 9 pcs 16G internally threaded lip piercing studs with CZ top and flat back, the top can be easily screwed in and off Lip Piercing Studs Size: 16G (12 mm), Bar Length: 5/16" (8 mm), 3/8" (10 mm) and 1/2" (12 mm), 3 pieces of each size. Each Bar is matched with 3 different CZ Diameter: 1.5 mm ,2 mm and 3 mm. Color: Gold Multiple used as tragus piercing jewelry, helix earrings, conch helix piercing jewelry, lip rings, labret jewelry, medusa piercing jewelry, monroe piercing jewelry Material: The flatback helix piercing jewelry are made of high quality stainless steel and cubic zircon crystal gems High polished surface, comfortable to wear Clear cubic zirconia, shiny and bright