Double cock ring with realistic prober for double penetration fun ,Single speed bullet inside with strong Vibration and quiet design. Made from hypoallergenic silicone for body-safe play Cock ring stretches between 1.1-2.5 inches Ball ring stretches between 1.7-5 inches Length: 5.1 inches,Insertable Length: 3.9 inches width: 1.1 inches Bullets removable,exchangeable,1 x AAA battery (Not included)