The Silentnight Quinta star mattress is part of the exclusive Silentnight Star Collection, Quinta star mattress Unique Miracoil Spring System No roll together, no roll off Memory foam comfort at an affordable price Simple modern design The Quinta star Mattress incorporates both layers of heat sensitive memory foam & the unique Miracoil spring system. Manufactured from one continuous spring that runs head to toe distributing body weight up & down the bed. This ensures that the bed gives you & your partner the support you need, irrespective of differences in size & weight & the ultimate luxury feel from the memory foam. This Mattress is ideal for either updating your existing mattress or for use on a slatted bedframe. This Mattress comes with the silentnight 5 year warranty (see manufacturers terms & conditions) Please note: Mattresses can only be returned if they are unopened & unused.