Soft, Comfortable Pads Gently Adhere to Your Skin Durable, reusable up to 150 times & washable up to 10 times Good size for multiple body pains (4" x 6") Prescription free for home use For use with Omron ElectroTherapy Pain Relief Tens Unit (PM3030) Omron's Long Life Pads are durable, comfortable and gently adhere to your skin. Exclusively used with the Omron electrothreapy Pain Relief (PM3030) unit, the electrode cords snap easily into place on each pad. Tested in research and development