Material: Bar and the ball both are made from acrylic; Bar Thickness: 14G (1.6mm), Bar Length: approx. 19mm, Ball Diameter: approx. 6mm. Product Size: Bar thickness is 14G ( 1.6mm ), Bar wearable length is 16mm, ball is 6mm in diameter, dual head be come off. The plastic ball will not inevitably chip your teeth over time. Perfect Dressing: Brand new tongue piercing rings 110 pcs, assorted colors, enough for you to choose the color according to your daily need Piercing Type: Barbell stud rings can serve as nipple rings, tongue rings, cartilage piercings earrings, lip rings and more, can be wearing for daily life, party, ceremony, etc. Best Gift: Suitable for your daily wearing, or you can send some to your friends and family, good as gift for Birthday, Christmas, Valentine's Day etc.