The ValuTrode X Electrode, White Foam Top, 2 x 4 Rectangle, 4pk – VTXF50100 is a set of high-quality electrodes designed for use in electrotherapy. These electrodes feature a white foam top that is soft and comfortable against the skin. Measuring 2” x 4” in a rectangular shape, they provide ample coverage for effective treatment. Each pack contains 4 electrodes, ensuring you have enough for multiple therapy sessions. These electrodes are ideal for use in various medical settings, including physical therapy and pain management. Please note that these electrodes are intended for single-patient use.