– Made of EPP (Expanded Polypropylene) Rollers.

– made from tightly moulded polystyrene ball with a soft gridded foam.

– designed for moderate to heavy use.

– the lowest speed is of a gentle vibration intended to increase circulation and loosen up muscles.

– at the higher intensity, the soft gridded foam targets the larger muscle groups of your back, quadriceps, hamstrings and calf muscles.