... . Self-adhesive, reusable, durable 2. Soft cloth, foam, tan tricot , Non-woven,PET and other colours backing for selection3. conductive gel ... current distribution, no hot spotstrong adhesion with skin, no allergy, stimulation, residue and reliable physical and chemical properties.4. lead wire connector ... TENS EMS electrodeTENS EMS electrode 40*40mm TENS EMS electrode with the transparent conductive gel