Together Mattress Mattress - Townsend Collection - DoubleMounting system: spring style: style coil 800 Double Tempered; 13 GaugeSupport Sill Envelope foam 360 degrees for a firm seat support base reduces the transfer of movement to the main surface sommeilSystme confortIsolationRembourrage 2 complete lumbar support cushions with insulating bushing 1 "primary padding a layer 3 4 Peak confortableRembourrage 2 "high density foam bioEnsemble courtepointeMotif quilt tick and fabrics Cotton. Motif quilt: luxury