The vibrating butt plug Anal Anchor from Pipedreams Anal Fantasy Collection is made of phtalate-free, hypoallergenic silicone. The Anal Anchor features a double beaded tip, a bulbuous shaft and a suction cup. The bottom wings increase the feeling of safety during penetration. With the remote control you can cycle through four powerful speeds. The butt plug Anal Anchor needs two AA batteires, which are not included.