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 at widest point and 83 mm insertable e or approximately 1.22 inches and 3.27 inches insertable. Color Black. Materials Silicone. Waterproof vibrating butt plug. Vibrating butt plug requires 2 AAA batteries, not included.