Signature Sleep Contour Encased Coil 8 Inch Mattress, Full The Contour 8 mattresses feature a layer of 1.6 inch high-density foam at the top and bottom of the coil mattresses to give you an embracing feel working together with the independently encased coils for added comfort. NOTE: Please allow up to 72 hours for the mattress to fully expand and for any potential odor to dissipate 7 inch 15 gauge independently encased mattress coils provide an equal weight distribution by contouring to the curves of your body, relieving pressure points for a better night's sleep The Signature Sleep Contour 8 mattress is made with low VOC CertiPUR-US certified foam, free of PBDEs, TDCPP or TCEP ("Tris") flame retardants, ozone depleters, mercury, formaldehyde, lead and heavy metals The Signature Sleep Contour 8 mattresses include a soft breathable knit fabric mattress cover and works on multiple surfaces including box spring beds, bunk beds, daybeds, platform beds, and trundle beds Dimensions-75 L x 54 W x 8 H inches