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

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 ,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 are packed 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. Fast, easy assembly with no tools,Worry-free 5 year limited included