【Comfort And Health】Made of high quality Hydrogel that is environmentally friendly, it like second layers of skin closely fit, touch cool, neutral material. Humanized design, strong adhesion. 【Feature】High Conductive Gel Sheet It is a special high conductive gel sheet, low electric resistance, electricity is transmitted uniformly to the body with high accuracy. The gel pad for professional muscle stimulator have a long service life, it can be used about 30 times. 💪【Easy To Use】Please clean and dry your skin before using. It is self-explanatory to use, just tear off the two protective layers, then stick them to your trainer. After using the gel pad, wash the gel which stick on the side of your skin with clean water and dry it quickly with a hair dryer. It can be reused for many times if you keep it in a right way. 【Package Includes】Altogether 40 pcs, 20 packs(2 pcs in a pack). Each gel ABS pad is 1.6 x 2.4 inches in size, 0.032 inches in thicknes. 🏆【Fits Most Training Devices】Replacement gel pads are perfect accessory for muscle toner and abdominal toning belt, ABS toner body muscle trainer device. This vicarious gel pad can be used on various types of muscle trainers.