Package Includes- Total 60 pcs gel pads (30 bags), with well-sealed package protects from dry during transport. Each gel pad is 2.4 inches in length, 1.6 inches in width, 0.032 inches in thickness. Material- Made of high quality Hydrogel that is environmentally friendly. Humanized design, strong adhesion. Ab gel pads will last 20 to 30 sessions if used and maintained correctly. Fits Most Training Devices- Ab gel pads are perfect accessory for muscle toner and abdominal toning belt, AB trainer, Waist Trimmer Belt, ABS toner body muscle trainer and other EMS devices. How To Use & Maintain- Please clean and dry your skin before using, stick them back to the cardboard after using this Gel Sheet; It can be reused for many times if you keep it in a right way.