Luxury Knit Cover - Natural FR Barrier quilt with Plush CertiPUR-US Foam. No fiberglass or toxic chemical flame retardants. CertiPUR-US Foam - It means the foam in the bedding or upholstered furniture has been tested to meet CertiPUR-US rigorous standards for emissions, content and durability. Specifically, the foam is: Made without formaldehyde. Made without ozone depleters. 6 500 Series FE Coil - This mattress core features an 6 Heavy Gauge Coil featuring AdvantEDGE technology allowing you 25%ore sleeping surface with superb edge support. DURAlayer Support Foam - High Density and long lasting, this foam support layer will help add a layer of support under neath all of the layers in the mattress, as well as contour to any adjustable base. Flippable Mattress 10" High