... 1. Self-adhesive, reusable, durable 2. Soft cloth, foam, tan tricot , Non-woven,PET ... other colours backing for selection3. conductive gel: High quality hydrogel and conductive carbon ... current distribution, no hot spotstrong adhesion with skin, no allergy, stimulation, residue ... 4. lead wire connector:Snap connection Elastic socket fit male pin size from ... ems electrode for pain relief / physiotherapy