Size Pads: Our TENS Unit Replacement Pads measure providing generous coverage for effective muscle stimulation and therapy Premium USA Gel: Our electrode squares are designed with high-quality gel for optimal conductivity and comfort during treatment Individually Packaged for Hygiene and Convenience: Each TENS Unit Replacement Pad is individually packaged, ensuring cleanliness, safety, and convenient use Universal Compatibility: Featuring a standard 2mm pin connector, our electrode pads are designed for universal compatibility, fitting most TENS units available in the market 5-Pack with Upsized Storage Tray: Includes 5 butterfly-shaped TENS unit replacement pads, providing an ample supply for your muscle stimulation and therapy needs Material: Non-woven fabric Color: White Package Contents: 5 x Butterfly Shaped Electrode Pads Only the above package content is included; other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement allowance is +/- 1-3 cm