Pretty Cute and Sparkly: 6mm clear and glitter uv acrylic balls, very cool and eye-catching Multi-purpose: You can use for both the nipple and tongue. Double side are screw-on, easy to use Safe to Use:The bar is made of Flexible Bio Flex, so they are very comfortable, best choice for sensitive skin Gauge: 14G(1.6mm), wearable bar length: 5/8" (16mm), total length: 10.5" (27mm) Package Include: 4 pieces tongue rings Beautiful essential piece of body jewelry. Don't let these go, order them today you won't be disappointed!