Product Description These fluid-resistant foam electrodes can be used during X-Rays and MRIs in areas where metal is prohibited such as radiology, cath lab, surgery, etc. Achieve clear tracings every time with high-performance, specially formulated gel and extended surface area. Top-quality adhesive helps electrodes stay securely on the skin and remove cleanly. Resealable bag provides prolonged electrode freshness and life (with 50 packs only). Flexible leadwire attachment features perforated strip backing. Manufacturer Contact Information 1-800-633-5463