There are two types of rings: one for tongue and one for belly button, both of which are of vibrating effect. These body piercing rings are made of medical grade stainless steel, which is sturdy, durable and less likely to cause allergy. Features: This is a very unique and playful body piercing item, a good choice for people who are into things showing individuality. Made of medical grade stainless steel, which is sturdy, durable and less likely to cause allergy. It comes with 2 button batteries for achieving vibrating effect, which makes the ring more special. Small sized and lightweight, thus the wearing of it would not cause much pressure or discomfort. There are two types of rings: one for tongue and one for belly button; feel free to choose the one that is most preferable to you. Specification: Condition: 100% New Item Type: Body Piercing Ring Material: Stainless Steel Color: As Shown in the Picture Optional Types: Tongue Ring, Belly Ring Powered By: 2 * button battery (Included) Tongue Ring Size: Approx. Length: 3cm / 1.18inch; Width: 2cm / 0.79inch; Bar Length: 1.6cm / 0.63inch; Bar Diameter: 1.6mm / 0.06inch; Ball Diameter: 5mm / 0.2inch Belly Ring Size: Approx. Head Part Length: 2cm / 0.79inch; Curved Bar Length: 1.4cm / 0.55inch; Curved Bar Diameter: 1.6mm / 0.06inch Package Weight: 6-8g Package Included: 1 x Body Piercing Ring Note: Before placing an order, please notice that the item color displayed in the pictures may be slightly different from the real object, due to different monitors or other factors. And please allow 1-3mm error due to manual measurement. Thanks for your understanding. Package List 1This is a very unique and playful body piercing item, a good choice for people who are into things showing individuality 2Made of medical grade stainless steel, which is sturdy, durable and less likely to cause allergy 3It comes with 2 button batteries for achieving vibrating effect, which makes the ring more special 4Small sized and lightweight, thus the wearing of it would not cause much pressure or discomfort 5There are two types of rings: one for tongue and one for belly button; feel free to choose the one that is most preferable to you