Flextone Replacement Gel Pads for Abs Stimulator - 4 Pcs - FDA Cleared - Used for EMS Muscle Toner, Abdominal Toning Belt and Waist Trimmer for Body, Abdominal, Arm and LegFITS MOST ABDOMINAL TONING SYSTEMS:These stimulator gel pads are compatible with most abdominal toning systems. A must have accessory for all Abdominal Toning Belts including Abd..