Grey Wavy Memory Foam Open Coil Spring MattressThis memory sprung open coil mattress has been designed with a 7" inch stylish grey wavy border with a micro quilted cool touch zig zag top panel. The mattress has a open coil spring system as its core construction with a layer of high density open cell memory fibre foam which provide a medium soft comfort, the memory foam relieves pressure from building across the body allowing the sleeper to enjoy a relaxing night's sleep. The mattress has six