Anal Ese Collection Vibrating Alpha Plug #4 from Nasstoys of New York. Butt plug features: 10 functions. Body safe silicone. Push button power. Retrieval ring. RoHS compliant, Phthalates free.Waterproof vibrations. Materials Silicone shaft, ABS plastic base. Size insertable length 4 inches. Rechargeable vibrations. Charging time 2 hours. Working time 2.5 hours.