Stick it n' shift it. Rev Cock Throbber is the ONLY rumblin' cock ring that FLEXES to fit you. Our ERGO fit is shaped to hug your package. Dual engines deliver 360 Degrees of vibration. Ten high-powered settings that leave you HARD n' DRIPPIN'. Race to the finish line.FeaturesSize: 50mmFlexes + Rumbles360 Degrees of VibrationErgonomic Form Fitting10 RUMBLIN' SettingsApproximate Product Dimensions:Unstretched Inner Diameter: 1.97 in. (50 mm)Depth: 0.8 in. (20 mm)Remote:Total Length: 3.5 in. (8.9 cm)Width/Diameter: 1.5 in. (3.8 cm)