Feature 1.Polyurethane 100%; High Density Memory Foam 2.C-Rest is the only affordable, portable, lightweight, non-electric neck massager on the market that is easy to use and designed by doctors and chiropractors to help relieve muscle tension caused by the shoulders and upper back. To improve the quality of your life. 3.Use 10-20 minutes per day, precisely aim at the massage points, relax on your back, rely on the gravity of the head to play the role of natural traction stretching, and twist the neck to enjoy the effect of muscle relaxation and massage. C-Rest stimulates important areas of the neck and increases blood flow to the brain and muscles. Helps relieve shoulder and eye fatigue. 4.C-Rest Durable: Durable foam is designed to withstand heavy weight and long life without losing its shape as a posture device. Whether it is packed in a bag or used frequently, the fulcrum will expand back to its original shape and be ready for use. 5.C-Rest supports a variety of ways: it can be used anywhere in the office, on a chair, on a bed, on a sofa or on the floor - whenever you need to relieve pain. Specifications: Color: Green Material: Polyurethane 100%; High density memory foam Size: 24cm x 21cm x 13cm Package Included:1X C-Rest Neck Massager Note There is 2-3% difference according to manual measurement. Please check the measurement chart carefully before you buy the item. Please note that slight color difference should be acceptable due to the light and screen.