Zinus Spa Sensations 7" Metal Smart Box Spring, Mattress Foundation, Twin

7" Metal Smart Box Spring, Mattress Foundation, Twinstrong>7" Metal Smart Box Spring, Mattress Foundation, Twin  7" Metal Smart Box Spring, Mattress Foundation, Twin THE LAST BOX SPRING YOULL 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 are packed into one compact box that ships straight to your door Worry-free 5 year limited warranty included Box spring only, a bed frame or platform bed is required to support this foundation and is sold separately Zinus products