The london supreme damask mattress is our entry level mattress but now with a luxury cover perfect for those on a smaller budget the london supreme mattress contains a 135 gauge open coil spring system the primary function of the open coil mattress is to provide resistance and support for all different shapes and sizesthe london supreme mattress is finished in a luxury plain quilted coverthe london supreme damask mattress represents excellent value for moneyplease note that colours and covers a