Mojo Momentum Power Grip Pump Black. Get Your Mojo Working!!!The Momentum Power Grip Pump is made from silicone and ABS plastic: Latex and phthalate free. It is fully waterproof and, thanks to the PSI gauge and raised cm/inches guide on the cylinder, offers precision measurements. The ergonomically designed pump handle helps you create extremely powerful suction and it is totally controllable by the air release button.