California Exotic Noveltiess Embrace Couple's Ring. 7 functions of intense vibration, pulsation and escalation. Luxurious body safe Silicone. Removable vibrating massager. Stretchy and comfortable enhancer. Batteries included. Safe and pure for body and pleasure made using phthalate free materials: Silicone ring, ABS plastic with silver plating stimulator. Requires 3 watch batteries, included. 3.25 inches by 1.75 inches stimulator. 1 inch ring diameter.