This is a pre-gelled reusable electrodes for a T.E.N.S unit! Each pack includes 4 electrodes! Please feel free to email me with any questions at justwantabmad32@cox.net These are NEW never been opened! The pads attach to your body and are connected to wires that stimulates the body's own natural pain! T= Transcutaneous E= Elecrtical N= Nerve S= Stimulation in simple terms it tells your brain that you are not in pain!

You will receive 8 packs!