YINHANG | Mini Button Self Adhesive Electrical Muscle Stimulator Gel Electrode Pads for Tens Acupuncture Therapy Body Machine Massager

Specification: Size: length 4cm* width 3cm Thickness: 2mm Material: non-woven fabric + Silicone + GelFeature: 1. Suitable for all kinds of intermediate frequency electronic therapy massage machine 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. Unknown others, not plastic 8. Specially designed holes, on each pad, to release the generated heat and give more comfort and less irritation.