100% polyurethane foam geometrically shaped into a uniquenodular design allows each section to operate independentlyallowing maximum weight distribution. Nodular construction ensures excellent recovery & optimumcomfort. Suitable for both profiling & standard beds. Air circulates freely keeping skin cool & free from pressure areas. Supplied with a zipped, Dartex, multi stretchwaterproof / VP cover. All mattresses are 15cm (6) deep. Suitable for patients in medium / high risk catagories.