The superb silentnight miracoil 3 rio luxury mattress uses an abundance of premium features to ensure that you get all the benefits of a perfect eveningrsquos sleep this is the mattress yoursquove been dreaming about featuring an ultra comfortable miracoil spring system along with a luxury knitted microquilt and hypoallergenic protection the rio is backed by a 5 year manufacturerrsquos warranty you can rest assured that this mattress will keep you comfortable for many years to come d