In original packaging item, may require some assembly. See link for more details: 

Size: Queen - 8 Inch 

Note: Missing cover and one screw. See pictures for more details.

https://www.wayfair.com/bed-bath/pdp/alwyn-home-jessine-8-inch-metal-box-spring-fabric-covered-easy-assembly-mattress-foundation-w111684623.html?redir=RSTV1004&rtype=8&piid=1990355501