100% polyurethane foam geometrically shaped into a unique nodular design allows each section to operate independently allowing maximum weight distribution. - Nodular construction ensures excellent recovery and optimum comfort - Smalluitable for both profiling and standard beds - Air circulates freely keeping skin cool and free from pressure areas - Smallupplied with a zipped, quilted polyester cover - All mattresses are 15cm (6") deep - Smalluitable for patients in medium / high risk catagories (with appropriate nursing care).