Suitable for various medium frequency electronic physiotherapy machine. Help to improve blood circulation, promote metabolism and eliminate fatigue. Self adhesive, high adhesive, convenient to use and reusable. Useful and safe accessory for care. 1. Non-woven Fabric electrode Pads 2. Self Adhesive, Re-usable, Long Life 3. Bio-compatible, Dry out Resisting 4. Lower Impedance, More uniform current distribution, 5. No hot spots, more stimulation comfort. 6. Durable construction: can even pull out from the lead wire without damage. 7. unlike others, not plastic 8. Specially designed holes, on each pad, to release the generated heat and give more comfort and less irritation. Note: Cleanse your skin before using electrode pads for better results. Electrode pads life After each use, put the electrode back to the packaging bag, placed in the shade. If the electrode is dry a little, use a few drops of water to wet it. This will increase the life of the electrode. size:5*9cm Material:Non-woven + hydrogel colour:white Package Contents: 20 * Electrode Pads Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.