Brentwood Intrigue 7-inch Mattress uses high quality 13.5 gauge tempered steel spring coils for long lasting support * Multiple layers of padded upholstery offer plush comfort so you feel rested and rejuvenated * All new design, with heavy-duty powder-coated steel for maximum durability and support - will not break like other foundations * No tools or assembly required - simply remove from box, unfold and sleep * Full Size: 54" x 75"; Compressed and rolled for shipping -- easy to carry and saves you money on shipping costs