The TravelRoller is an extra firm dual density portable sized foam roller. Its use has created incredible results for thousands of people since 2007. The compact and ergonomically correct size allows the user to self massage through the entire body - quads, IT band, lower back, upper back, shoulders, hamstrings, calves, feet, and neck. The cutting edge earth-conscious Travel Roller design has washable and replaceable foam coverings which are PVC and rubber free! Adjustable 'Hard or Soft' settings for variable comfort and skill. The hollow center storage compartment can be used to store personal items or is the convenient storage of the 3 density acupressure balls. The Travel Roller's extra firm design does not deform. Kit includes: 4 x 13" Travel Roller, soft, medium and hard density acupressure balls.