Pocket spring and superflex foam roll up mattress suitable for all types of divan and slatted bases 1050 pocket springs superflex foam layer the springs are encased in foam with a supportive layer of superflex foam on the sleeping surface for superior comfort rolled mattress easy to transport no need to turn but regular rotation will extend its life the fillings and cover are breathable promoting restful sleep soft removable cover with coolmax performance fabric washable at 40