Spinal Pro gives you a luxury feel that embraces you in comfort. The highly tensile bonnell springs are strategically placed between the coirs and maintain a perfect sync between support and bounce. Its European-designed "Antistatic" top panel that can help discharge the body's static electricity, allowing for a deeper & more relaxing sleep. Build with Ultra Edge Support System. Give edge to edge support, reinforced form border around the mattress to create structure and reduce sagging along the edges to provide maximum sleeping surface without losing the core support.