Four corners and three sides fit the human body surface, press the pain points, directly to the fascia more acidic, deep massage. Suitable for the following common people: office workers, long-term sedentary physical and mental fatigue; fitness people, muscle fatigue and pain; teachers and students, shoulder and neck pain and stiffness. Give you a full range of comfortable massage, accurate stimulation of acupuncture points, relaxation of tense muscles. The whole body can be washed, no stains, easy to clean material. Exquisite packaging highlights the details.