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

Size: Twin - 10 Inch 

Note: Has light warehouse dirt, still in original pastic, see photos

https://www.target.com/p/fdw-10-inch-innerspring-mattress-medium-firm-hybrid-mattress-with-removable-cover-certipur-us-certified-bed-in-a-box-white/-/A-93097127