Gold"s Gym 18" Massage Roller: * High-density, therapeutic foam * Measures 18" x 6" * Great for rolling 1 side of your body at a time * Instructional chart included * Decreases muscle tightness * Relieves joint stress * Reduces risk of injury and pain * Improves joint range of motion * Corrects muscle imbalances * Massages all muscle groups * Improves neuromuscular efficiency