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 to optimal conductivity and comfort during treatment Individually Packaged for and Convenience: Each TENS Unit Replacement Pad is individually packaged, ensuring , 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: Get of 5 butterfly-shaped TENS unit replacement pads, ensuring an ample supply for your muscle stimulation and therapy needs. Material: non-woven fabric colour: white Package Contents: 5 x Butterfly Shaped Electrode Pads Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.