Features:100% brand new and high quality.It is relatively soft， breathable.Great adhesive strength， flexibility， no smell， etc.It is suitable for knees bent parts， neck， and so on.Specifications:Material: Cloth + Silica GelSize: 5 x 10 cm / 1.97'' x 3.94''Size of Buckle: 3.5 mmShape: RectanglePackage include:2 x ELECTRODE PADSNote:In pacemaker carriers， serious heart rhythm problems， suffering from epilepsy patients is strongly discouraged from using an electrical stimulation device. Furthermore， the electrodes should not be applied to open wounds or diseased skin. It is also advised not to use the electrodes in the region of the carotid artery， just above the heart， the larynx and larger metal implants.