Product description Size: 40X60MM Color: transparent Material: Gel Package content: 60*abdominal hydrogel patch 1. HIGH-PERFORMANCE CONDUCTIVITYThe printed grid on the gel pads allows the salutary current to spread evenly, thus you can get the most effective muscle stimulation. 2. FITS MOST TRAINING DEVICES Perfect accessory for muscle toner and abdominal toning belt, abs stimulator machine, Abdominal Toning Belt, AB trainer, Waist Trimmer Belt, ABS toner body muscle trainer. 3. SAFE AND COMFORT Made with skin friendly materials, No smell. Humanized design, strong adhesion, environmental protection and durability. Ab stimulator gel pads will last 20 to 30 sessions if used and maintained correctly. 4. HOW TO STRIP BLUE FILM Choose a corner, pinpoint a little gel with your fingernails,and gently tear the blue film with the fingernails of the other hand.Like this, you can easily tear the blue film and will not damage the gel pad. 5.Proper care and reusable How long you can use the EMS gel pads depends on the cleanliness and smoothness of your skin. Before using the gel pads, please clean your skin with soap and then dry your skin. If the pads do not stick, you can clean them with water. This pad can be used a maximum of 30 times. Note: If it is used more than 1 month after opening, please replace the new pad.