... 3,OEM&ODM Available 4,Good Quality & Competitive Price ECG ElectrodeDisposable ECG ElectrodeConsist of:Metal stud, best sensitive Ag/AgCl sensor, ... with various types of monitoring instrumentsCharacteristics:Superior electrical performance , distinctive ECG presentations, Convenient ,comfort,no allergic, no remainder of gel. ... pouch(aluminum foil & paper)20 pouches/carton ,1000pcs/carton ECG Electrode