UltraStim^® X Blue electrodes feature hydrogel formulated for those with extremely sensitive skin. The distinctive silver grid pattern on these electrodes provides even current dispersion, which translates into a more comfortable therapy treatment for the user. The backing is water-repellent and an oversized border is specially designed to facilitate ease of proper removal to further promote electrode durability. Additionally, a soft new 70 mil thickness is now available for even higher comfort.