Choose our high quality Windsor open coil mattress for the ultimate sleep experience. The Windsor is a great value open coil mattress that doesn't compromise on comfort. It features a open coil 13.5g coil spring unit and luxury polyester fillings which provides a medium feel sleeping surface for your body to give a great level of support. Beautifully made with high grade Damask and a knitted cover this mattress really will complete any bed. - FurnitureboxUK Windsor Medium-Firm Coil Sprung Mattress in White - Size: Double