New Sealy Posturepedic Firm King Size Mattress for Sale Posturepedic Performance Model Firm Tight Top SolidEdge™ support PostureTech™ coils Pocket coil count: 880 (king) 7 cm (2.75 in.), 0.66 kg (1.45 lb.) high-density gel memory foam 2 layers of DuraFibre It has a scuff mark where the bag broke and was returned 250-714-3890