Cubic Zirconia Press fit threadless push-in top with Flat Back Base. 316L surgical steel Labret w/Soft Enam/Monroe SS Top and Flat Back Base. Material: 316L SURGICAL STEEL, Thickness: PRESS FIT, Ball Size: 2.5MM, Thickness: 20GA (0.8MM), Length: 5MM. Ships in 1-3 business days