The Flex Belt Gel Pads For Abdominal Toning System (One Set)The success of your Flex Belt toning session relies on the quality of your Flex Belt Gel Pads. When its time for new Flex Belt Gel Pads, be sure to have them on hand so you dont miss a day of toning while waiting for new Flex Belt Gel Pads to arrive. We recommend adding an additional 2-3 s..