... electrodes,tens pads,ems pads,electrotherapy electrode,physiotherapy electrode,self-adhesive electrode,massage electrode,medical equipment,digital therapy machine,tens units,tens machinesize:20χ ... Compatible, High Adhesion6. Liner :PETSoft cloth and foam backing for selectionColor of soft cloth:white and skin,also select the ... 4 pieces/pack into sealed plastic bag eyes electrode for tens machine