Features： 1、[Soft Comfortable] Made of high quality silicone material, the electrode pads are soft and comfortable to use. 2、[ Conductivity] Have electrical conductivity, specially designed for treatment machines. 3、[Reusable] Using sophisticated production technology, these electrode pads can be reused and have a long service life. 4、[Simple to Use] Small in size, light in weight, easy to carry, can be carried around, simple to operate and convenient to use. 5、[Strong Skin Adhesion] With strong skin adhesion ability, can be used on knee bending parts, neck, back, body. Specification： Item Type: Electrode Pads Product Size: Diameter: Approx. 95mm / 3.7in Applicable Symptoms: Back Pain, Cervical Spine Pain, Frequent Overtime, Sedentary, Headache, Uncomfortable Muscles Product Description: Suitable for All Kinds of Intermediate Frequency Electronic Physiotherapy Machines. Help Improve Blood Circulation, Promote Metabolism, and Relieve Fatigue Number of Usage of Electrode Pads: The Number of Times the Electrode Pads Are Used is Related to the Cleanliness and Oiliness of the Human Skin, So Before Use, It is Best to Wash the Skin with Soap (Alcohol Can Also Be Used). by Washing the Skin, You Can Achieve a Better Use Effect and Increase the Number of Times the Electrode Pads Are Used The Life of the Electrode Pads: After Each Use, Put the Electrode Pads Back into the Original Packaging Bag and Place Them in a Cool Place. if the Electrode Pad is a Little Dry, You Can Wet It with a Few Drops of Water. This Can Increase the Life of the Electrode Pad Package List： 2 x Electrode Pads