The Travel Roller is an excellent self-massage product that allows therapists and patients to release soft-tissue, prevent injuries by controlling cumulative micro-trauma, and optimize the function of the muscular system. Dual density adjusts to 'Hard or Soft' settings. The Travel Roller's extra firm design does not deform. The Travel Roller is 4" by 13" and comes in black. The acupressure kit includes the Travel Roller, 3 acupressure balls and an exercise band. Acupressure balls are red, orange and yellow.