Home Sleep Back Master Ortho Rest Bed SetPillowtop Mattress Design for Sumptuous Comfort Multiple Matched Comfort Layers for Great balance of Comfort and Support Plush Quilted Knitted Sleeping Panel for a Luxurious look and feel Double Bonnell Spring Set Supports your body with exceptional Comfort Posture Bars give Added spinal support Edge and Corner Supports to give Enhanced perimeter support to allow better use of the sleeping surface 8 Year Warranty