4 inches by 1 inch probe.  2 inches by 1 inch stimulator. Premium Silicone probes with removable stimulator. Powerful multi-speed vibrations. Stimulator and probe may be used together or separately. Easy to use controller Safe and pure for body and pleasure made using phthalate free materials Silicone probe, poypropylene PP controller, ABS plastic with Silver Plating stimulator. Vibrating probe requires 2 AAA batteries, not included.