The cutout section helps to eliminate back pain and relieves pressure on spine & coccyx. It is also an excellent cushion to relieve discomforts from Haemorrhoids. Fits most car seats, office or chairs at home. Relieving stress and tension is crucial for everyone. Conventional pillows and cushions can restrict blood flow, cause pressure build up and pain. The Restwell range of visco-elastic memory foam products has been developed to provide excellent stress relieving comfort. Its thermo sensitive properties will shape according to body temperature and the pressure points of the body weight. Benefits of Restwell Memory Foam Temperature responsive properties relax tensed muscles and promote pressure relief by conforming the human body weight and shape. Provides excellent neck and spine protection and natural spine alignment as it eliminates the possible damage caused by body pressure. Enhances better blood circulation and avoids soreness caused by the compression of nerve SPECIFICATIONS PLEASE READ CAREFULLY BEFORE ORDERING Easily removable washable outer soft blue cover 15" Wide 12.5" deep 3" to 1" wedge Soft grade memory foam.