Sleep in comfort and awake refreshed with the Spine-Lab 5-Zone Bonnell Spring Mattress. The 5-zone design of the mattress provides both pressure-relief and support. The mattress has been designed using traditional bonnell-spring construction finished with several layers of high-density foam. - The cool-touch quilted cover and the breathable upper memory foam layer ensure that heat does not get trapped for the maximum in comfort. The upper foam layers have been designed to adjust to the body and provide a customised and relaxing sleep surface, while the lower bonnell spring layer has been designed to offer long-lasting support. - This product is not on display or sold in stores. Medium-firm design - Hypo-allergenic material - Sturdy inner bonnell-spring design5-zone design provides both support and pressure redistribution - The upper foam layers adjust to the body to provide a customised and relaxing sleep surface - The lower bonnell spring layer offers lasting support - High-density foam - Cool-touch quilted cover