There are penis pumps and there are better penis pumps… But this Thunder Pump is the Bomb! It features a new Sure-Grip Hand Action Pump which pulls harder than ever before, combine that with a high-quality, heavy duty plastic housing and your gonna’ suck your brains into your cock!  And if that’s not enough, it also comes with a standard pump sleeve as well as our nubby sleeve that will add pleasure and power to your pumping sessions.