Aquaflex™ Ultrasound Gel Pad Transmission 2 X 9 cm NonSterile (192166_BX) 6/BXAqueous, flexible, disposable ultrasound standoff helps you see in hard to read and near field areas, or when gels alone won't do Disposability eliminates the risk of cross contamination in diagnostic and therapeutic ultrasound procedures Requires no gel, except in prolonged procedures: Only gentle, even pressure needed Cushions sensitive areas Hypoallergenic, bacteriostatic Pads are 2 x 9 centimeters