It's a lot about the base. The 1-2 combination of a supportive mattress and well-built foundation is just what you need for restful sleep. We designed this queen foundation to last, with solid wood engineering and a diagonal bar for strength and durability. Smooth nonskid surface holds every style of mattress in place, including hybrid, memory foam and innerspring mattresses. Included: 1 Box Spring(s) Bed Size: Queen Measurements: 79 Length/Inches, 59.5 Width/Inches, 9 Height/Inches Maximum Weight Limit: 350 Lbs Base Material: 59% Polyester, 36% Rayon, 5% Other 5% Or Less Care: Spot Clean Country of Origin: Imported Signature Design by Ashley is a registered trademark of Ashley Furniture Industries, Inc.