Traditional hand-tufted mattress with luxury upholstery including a rich mix of Wool, Cotton, Silk and Cashmere 2000 Advanced pocket spring system provides total body support to ensure correct spinal alignment and further enhances sleep quality Fully encapsulated with AdvantEdge to provide a wider sleep surface with total comfort and support Dynamic Edge Active Side Support adjusts to body pressure, maximising the sleep surface and preventing roll off Firm Mattress Sleep both sides to extend mattress life and performance - please turn regularly - Bed Choices Backcare Hamilton 2000 Hand-Tuffed, Firm Mattress in White - Size: Double