Resistibly thick and hard, the award winning Nexus Excel provides a breathtaking fit to the inner contours of a man\'s body, perfect for giving a strong massage straight to the prostate. The smooth, durable material combined with the stainless steel roller perineum massager and external handle makes the Excel equally enjoyable as it is easy to use. The Nexus Excel is made from polypropylene, a non toxic plastic that is non porous, smooth and rigid. It is 100% waterproof and can be used with water and silicone lubricants. Warning Do not use in case of heart complaints/pacemaker or with cardiac arrhythmias Do not use if you are pregnant Do not place on eyelids Do not place on damaged skin  Avoid abrupt changes in shock in/adjustment  Keep out of reach of children Do not turn on the control unit until you have attached the accessories to the body, not before.