Intense Vibrating Bullet Black from Nasstoys of New York. Features: powerful vibration. On, off function. Discreetly quiet. Waterproof vibrations. Phthalates free, RoHS compliant material ABS plastic plus Polyurethane PU coating. Size length 3.25 inches, insertable length 2.5 inches, circumference 2.5 inches. Vibrator uses 1 AAA battery, included.