Features: Pillow top filler: Memory foam Fire retardant Tested Fabric material: Polyester blend Unit size: 80 x 60 x 10 in(Queen) Firmness: Medium firm Before use: The mattress is deeply compressed,rolled and vacuum sealed in box. 1.Make sure the package is not opened until you cut.it. 2.Please lift the box to desired room. 3.Please cut the wrapping plastic very carefully,do not damage the mattress fabric. 4.Let it expand for at least 72 hours to it’s original shape.