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

Size: Queen - 4 Inch 

Note: Complete set. Also please note the product only includes the base box spring and does not include the bottom of the bed frame and there are no legs and no mattress included

https://www.wayfair.com/bed-bath/pdp/alwyn-home-likins-4-inch-metal-box-spring-with-frabric-cover-easy-assembly-w111687963.html