This cushion has an easy to care for cover the cushion will adjust to your sitting position it relieves the sensitive back area the spine relief cushion has been made of an extra firm and shape keeping foam this means that it will keep its and your sitting position over a long period of time the ergonomically shaped cushion adapts to your body shape and keeps your spine and neck in an ideal position it is gentle to your back and creates even pressure it can prevent stiffness th