Feature 1Good Conductivity: Lower impedance, more even current distribution, good conductivity, massage acupuncture point and relax muscle, make you feel comfortable. 2Multiple Applicable Parts: Suitable for multiple parts such as arms, legs, waist, shoulder, neck, back, etc. Help relieve stiffness and numbness, improve muscle pain. 3Fit Well: Self adhesive design, can be easily attached to skin, fit well, not easy to slip off, good therapy effect, important accessory for TENS machine. 4Non Woven Fabric: Multi layer structure, electrode pad adopts non woven fabric, safe and eco friendly, soft and skin friendly, reusable and durable for use. 5Electrode Patch Set: 12pcs of electrode patch are available, enough to meet your replacement needs. Small and light, suitable for home and massage shop.Item Type: Electrode PadMaterial: Non Woven FabricQuantity: 12pcs (6 bag)Hole Diameter: Approx. 2mm or 0.08inSize: Approx. 4.5 x 6cm or 1.8 x 2.4in .Package List12 x Electrode Pad (6 bag)NotePlease allow slight error due to manual measurement. Thanks for your understanding. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it