Brentwood Encore 8-inch Mattress uses high quality 13.5 gauge tempered steel spring coils for long lasting support * Works perfectly with the Rest Easy Instant Fully-Assembled Box Foundation * Extra thick layers of soft comfort foam and padded upholstery offer extra plush comfort so you feel rested and rejuvenated * Mattress compressed and rolled for shipping, easy to carry and saves you money on shipping costs * Queen Size: 80" x 60" x 8", Includes 1 Year Warranty