Suggested Retail:$144. Wayfair Sleep ZINUS Metal Box Spring 5 INCH. Chances are you've spent a long time picking out your ideal mattress. So why not put it on top of a foundation that will do it justice? The Metal Box Spring with wood slats is designed to steadily support your beloved mattress, be it spring, latex, or memory foam. And with its proven solid steel structure and closely spaced wood slats, it’s a base you can sleep on with total confidence for the long haul. Created to fit in one package with everything you need and assembly that only takes a few steps to complete, this one is a slam-dunk in a box. Three different profile heights make it easy to choose the one that suits your setup, we’ve got your back (literally and figuratively!). 75.67'' W x 78.94'' L. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.