With different intensities of vibration, Tratac Active Roll is a piece of equipment that offers the benefits of a sports massage while improving a person’s stretch, balance and core muscle strength – whether in the gym, at home or at a rehabilitation clinic. The specially grooved surface of cross stripes in-creases blood circulation by stimulating the area being massaged. The expanded polypropylene is a durable, light and recyclable plastic foam material with excellent energy absorption.