Get ready for some inflatable back door play with this expanding anal plug! This anal plug has it all, it stimulates, inflates and vibrates! Simply insert the plug, pump the bulb until you have achieved a nice full feeling. Then throw it into overdrive with the addition of some powerful vibrations. When the fun is over, simply deflate the plug with the release valve located above the pump. Measurements: Deflated: Approx. 4 inches insertable and 1.54 inches in diameter at widest point; Inflated: Approx. 5 inches in length and 4 inches in diameter at widest point. Material: Latex. Note: Requires 2-AA batteries, not included.