Throbbing Dong. Pump up your pleasure with the throbbing dong. This 5″ butt plug is made from Clinically Sophisticated Latex and not only has a stick to almost any surface suction cup at the base it has the wonderful capacity to be inflated via a bulb hand pump. Due to the super latex skin, this means it expands and relaxes for your individual pleasure, and if that wasn’t enough it has a multi-speed vibration motor right at the tip for extra stimulation. This product will leave you throbbing for more!! 2 x AA batteries