The bulb shape plug is ideal for beginners. Ultra soft body safe silicone allows the plugs slim tapered tip to slide smoothly inside you. The 12 function bullet provide exhilirating vibrations up through the plug to the top. 31 mm e or approximately 1.22 inches at widest point and 83 mm e or approximately 3.27 inches insertable. Black. Silicone. Waterproof vibrations. Vibrator requires 2 AAA batteries, not included.