This aluminum butt plug from Rimba is .25 ounces of shocking anal stimulation that attaches to your favorite power box. The shiny silver anal plug is 3.50 inches long and 1.25 inches in diameter. Because it's bi-polar, the stimulation will be concentrated in the anus. This butt toy has a 2.50 millimeter male plug which attaches to any Rimba power box. Adaptors can be purchased to make it compatible with other electro sex boxes. The anal plug arrives in a black velveteen hinged box with a molded lining for private storage. Do not use this product if you are pregnant or have a heart condition.