Suitable for various medium frequency electronic physiotherapy machine._x000D_Help to improve blood circulation, promote metabolism and eliminate fatigue._x000D_Self adhesive, high adhesive, convenient to use and reusable._x000D_Useful and safe accessory for medical care._x000D_1. Non-woven Fabric electrode Pads_x000D_2. Self Adhesive, Re-usable, Long Life_x000D_3. Bio-compatible, Dry out Resisting_x000D_4. Lower Impedance, More uniform current distribution,_x000D_5. No hot spots, more stimulation comfort._x000D_6. Durable construction: can even pull out from the lead wire without damage._x000D_7. unlike others, not plastic_x000D_8. Specially designed holes, on each pad, to release the generated heat and give more comfort and less irritation._x000D_9. Specially selected size 4 x 4 cm , Larger pads had no additional benefits, just more heating/irritation of the skin_x000D_Note:Cleanse your skin before using electrode pads for better results._x000D_Specifications:_x000D_Material: Silicone + Gel_x000D_Size(1pc): 4 * 4 * 0.2cm / 1.6 * 1.6 * 0.1in_x000D_Fit 3.5mm plug._x000D_Package include:10X4*4cm Replacement Pads