ZINUS 5 Inch Smart Metal Box Spring Mattress Foundation Strong Metal Frame Easy Assembly Twin XL

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 Product Dimensions :79.0 x 38.0 x 5.0 inches 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.LOW PROFILE DESIGN - A 5 inch height is perfect for taller mattresses or for those who enjoy their bed lower to the floor 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