The Postureform Supreme Ortho mattress is designed to provide firmer orthopaedic support when being used on a divan base or a bed frame. It helps to maintain the alignment of the spine and neck for a good nights sleep. Made from a high grade of reflex foam this mattress is supportive and comfortable. The Postureform Supreme Ortho comes vacuum packed and once inflated is 20cm deep. Suitable for any standard divan base or slatted bed frame.