Comfort and Health: The gel pads are made of high-quality materials, the EMS pads have little irritation to the body, are very safe and comfortable. In addition, they have the properties of good viscosity, self-adhesive and reusable.^EMS Gel Pad: Replacement gel muscle stimulators, accessories for EMS muscle stimulator. 0.8mm hydrogel sticker, high conductivity, makes the skin and EMS electrical muscle stimulation fit tightly, conductivity for a good workout. The size is suitable for most electro-stimulation devices.^Long-lasting viscosity: The professional muscle stimulator gel pad has a long lifespan, can be used about 30 times. How often you can use the Abs trainer's replacement gel sheets depends on the cleanliness and oiliness of your skin. We recommend cleaning the skin with alcohol before use to extend the product's lifespan.^It protects the product from dryness or stickiness. To ensure that the customer never received goods that have been opened or used. Note: If more than 1 month has passed since opening, please replace the new pad. Maintenance method: Before use, make sure to keep the skin clean and dry. We recommend cleaning the skin with alcohol before use to extend the product's lifespan.