New Item in box. I guarantee all items to be complete. If any hidden damage or missing items, I will replace or refund.

　　What is a Smart Box Spring? The last box spring you'll ever need. Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame with either metal or wood slats and Knitted Polyester cover. Easy assembly, comes with needed tools. Come in an easily transported box.

　　Sizes Available: Choose thicker/higher profile to raise your mattress for low bed frames or thinner mattresses. Choose thinner/lower profile to lower your mattress top for easy entry or thicker mattresses.

　　TWIN: 4" / 7" / 9" ($40)

　　TWIN XL: 7" / 7.5" / 9" ($50)

　　FULL: 5" / 9" ($75)

　　QUEEN: 4" / 7" / 9" ($75)

　　KING: 4" ($60) / 9" ($75)

　　CAL KING: 5" / 9" ($75)