MaterialShoulder Relaxer is made of soft quality EVA, it has comfort and durability. Great for office workers, students, drivers and people who need to lower their heads for long periods of time. Easy to UseNeck massager with Upper Back Massage Points Traction, massage, acupressure, release fatigue after working. Relief your muscle, makes you feel comfortable. ErgonomicNeck massage pillow, ergonomic design, fit the neck , support comfortable, relaxes shoulder and neck. DesignSpine traction pillow, designed with massage contact points, relieves muscle tension from the shoulders and upper back Wide ApplicationCervical traction device can be used in home, office, chair, bed, sofa or floor. Great for body neck, shoulder, back. Size Chart: 37cmx19cmx11cm/14.57inchx7.48inchx4.33inch Package Includes: 1Neck and Shoulder Relaxer Note: Please allow slightly errors due to manual measurement and different monitors.