Black, latex covered, multi-speed, inflatable vibrating butt plug. Pump has a solid metal easy release valve and sturdy rubber bulb. 2 AA batteries 4" long, 1 3/8" wide, 4 1/2" around. Many items are not exactly round so the relationship between around and wide may not match that of a circle. If you find our measurements to be incorrect email the address below. We appreciate your help!