High density hybrid mattress: This 12-inch premium hybrid mattress offers 4 layers of combined comfort for a medium feel that "hugs you and holds you. " more premium adaptive memory foam in the Top layer offers ultimate softness and adapts to your body Shape. Responsive comfort foam layer provides the cushioning support you need. 12-Inch mattress delivers the highest level of pressure relief Combined innerspring and foam support: individually fabric Encased Bolsa coils provide core support for any-position sleepers. Responsive comfort foam reduces motion transfer with the right amount of responsiveness to prevent sinking and firm comfort for full-body relaxation. Supportive edge: High density base layer of ultra support foam provides overall durability and structure. Our Quantum edge perimeter delivers a maximum sleeping surface All the Way to the edge of the bed, supporting your movements throughout the night. Removable comfort cover: mattress includes an extra soft, knit cover layer that is removable for your convenience. 10 year limited : Sealy mattresses are designed and assembled in the USA for quality that lasts. Your purchase is protected by a 10 year limited With no movers needed. This compressed mattress is packaged in a box, which allows it to be easily Delivered and will expand to it's full lofty shape Inside your home.