The 5.5 inch long Daring Silicone Vibrating Butt Plug has an insertable length 4.75 inches and a maximum diameter of 1.5 inches. It also has a flared base for easier thrusting and to prevent it from going too far. For those that like a little extra from their anal toys, this silicone butt plug also comes with a 7 speed bullet included into the bottom for additional stimulation. This soft yet firm anal plug can also be warmed up or cooled down and is hypoallergenic and safe to use with water-based lubes. Batteries included.