Omron’s Long Life Pads (PMLLPAD) are durable, comfortable and gently adhere to your skin. Exclusively used with the Omron Electrotherapy TENS Units, the electrode cords snap easily into place on to each pad. Tested in research and development laboratories, the Long Life Pads may be reusable up to 150 times or five months. Just simply rinse the sticky side of the electrodes with only water and let them air dry. These replacement Long Life Pads are prescription free and last up to 5 months! Features: Comfortable Soft, comfortable pads gently adhere to your skin Durable Reusable up to 150 times and washable up to 10 times Versatile Good size for multiple body pains (2.5” x 4”) Safe & Effective Prescription free for home use NOTE: Use this unit with only with the leads, electrodes, and accessories recommended by Omron to avoid damage to the unit.