Dani features 10-vibration levels and measures 7 inches in length with an insertable length of 4.5 inches. Danis beads are coated in 100% Medical Grade Silicone. The controller is ABS Plastic and features Push Button control. Fully Rechargeable, 100% Body Safe Silicone and ABS Plastic, Submersible for Easy Cleaning, 7 inches over-all length, 4.5 inches insertable Length.