Stealth Super Pump amazing inflatable tight pleasure tunnel with vibration and suction. Feels like anal sex! Requires AA batteries, not included. Do not leave batteries in the vibrator between uses. If the vibrator fails to operate, check all batteries, their position in the battery compartment, and the metal spring clips which hold the batteries in place.Made using phthalate free, non-toxic materials Thermoplastic Rubber, Plastic. A water based lubricant is recommended. Some Men swear by the use of pumps as effective tools for increasing size while others think pumps have no lasting effect. Pumps can extend length while using, but the question is, Will the penis return to original size after using? Unfortunately, we do not have that answer and can not guarantee or be responsible for any results. Always clean before and after use. Stealth Pump from Nasstoys of New York. New images 2013.