Slendertone 12 months supply are an ideal replacement to use in any of the Slendertone abs belts. Consisting of hydrogel electrodes these pads provide you with electrical currents compromising a three layer conductive medium. After undergoing rigorous safety & biocompatibility testing these electrodes are the safest to use for anyone. With double adhesive electrodes, they disperse an exceptional current over the suitable area therefore preventing skin irritation & current build up. We know it is essential for you to increase intensities to maximum levels to achieve the greatest possible training effects & still maintaining your comfort. That is why these are the pads for you.