Conductive Gel For TENS Massager ECG Muscle pad Disposable Tiny LDPE 0.5OZ Tube

As long as the black conductive rubber can be a little wet on it, do not need to use too much. This product is transparent gel, no or only a small amount of bubbles, no insoluble foreign body. Viscosity ≥ 15Pa · s, PH value is neutral, harmless to the human body, not easy to dry, difficult to rancidity.

eBay