OptimATM Disposable Electrodes - Medium (2.0cc fill) * Oval Shape * Conforms to a wide variety of treatment sites * Adhesive Foam * Stretches and adheres well when under stress * Three Sizes * Small medium and large pH Defining Agent * Adjusts pH to ideal target to optimize transport when using a carbon conductive element pH Buffering Agent * Maintains ideal pH Viscosity Enhancing Element * Creates uniform current distribution for greater patient comfort * Packaging: 12 treatment kits per box * Shipping Weight: 0.82lbs