Serta Perfect SleeperRavina plush topQueen mattress with split foundationsPocketed coil innerspringCoil Count, Twin 529, Full 679Queen 850, King 10953 Zone Coil DesignHyperTouch comfort system1" Perfect pure fiber1" Serta gel  foam foam1" Perfect cool twist gel memory foam1" Serta balanced support foamBest edge support systemFR fiber10 year limited warranty