ZINUS 7 Inch Smart Metal Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly, Full

THE LAST BOX SPRING YOU’LL EVER NEED - Unlike a traditional box spring, the Smart box spring is made of solid steel that comes together in no time and is backed by our Zinus “Peace of Mind” 5 year warranty DURABLY ENGINEERED - Durable steel is used to construct the inside framework of this foundation; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs THOUGHTFULLY PACKAGED - All parts, tools and instructions pack into one compact box that ships straight to your door Box spring only, a bed frame or platform bed is required to support this foundation and is sold separately Worry-free 5 year limited warranty included