ITEM NAME:10 Pcs Snap On Replacement Pads For Electrode Tens Unit & Pulse Massager T sp Material: Silicone + Gel Size(1pc) apporx.: 7.5 * 4.5 * 0.2cm / 2.95 * 1.77 * 0.08in Metal Point diameter: 3.5mm 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. Cloth back,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..Non-woven Fabric electrode Pads. Cleanse your skin before using electrode pads for better results. Lower Impedance, More uniform current distribution. Specially designed holes, on each pad, to release the generated heat and give more comfort and less irritation.