High conductivity: trainer replacement gel pads, makes the skin and EMS electric muscle stimulation tight fit, at the same time provide high conductivity, reduces electrical resistance and improves the electrical effect to provide you with the most effective muscle stimulation. EMS pads have little irritation to the body, are very safe and comfortable. [Long Lasting Stickiness]: Abdominal replacement pads are reusable and cost saving. The gel pads have a long service life and can be used 20 to 30 times. The frequency of use depends on the cleanliness of the skin. We recommend removing the skin with soap etc. before use. Widely used: multifunctional gel pads are suitable for back, neck, shoulders, legs, waist and arms. The abdominal muscle trainer gel pads are the perfect accessory for muscle toner and abdominal trainers, abdominal trainers, waist trimmer belts, ABS toner body muscle trainers and other EMS devices. Safe material: the replacement gel pad is made of hydrogel material, which has a mild texture, good conductivity and strong adhesion, which can stick to muscles and skin. Gel pads do not irritate the skin and have no harmful effects, so you can use them without hesitation. [Double Thickness]: Our EM 59 pads for trainers 40 x 40 mm are double thick (2 mm) compared to EMS gel pad on Amazon, which makes our pads last longer and has better conductivity. Enjoy a safe and comfortable training experience.