High-quality materials: The cool ring is made of high-quality colored stainless steel, non-allergic, comfortable to wear, metal-free, hypoallergenic, soft and smooth, the balls do fall off from both ends, and it is easy to tighten and close.A great body piercing ring for friends and more. Dimensions: Rebar length is 18mm. Suitable for a healthy persons body.Occasions: These colorful tongue barbells are suitable for many occasions, such as parties, ceremonies, etc., and can also be given as a gift to your friends or family. Explore unique looks. This is special and can be matched with different styles of clothes.Includes 2 coin-cell batteries. Place them properly in the tongue ring, and then produce strong vibrations. Dont wear this tongue too slowly. Vibration function. The tongue ring is perfect for having fun with your partner.Features: These barbells can be used as tongue rings, nipple rings, or other body piercing rings to wear at will. Cute barbell studs, perfect for multi-ear cartilage puncture.