ZINUS 5 Inch Metal Smart Box Spring with Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly, King

As the backbone for solid mattress reinforce, a box spring that falls short can make or break your night’s sleep. We developed the Smart BoxSpring® with unbeatable durability and rock-solid stability to keep your mattress in shape for years yet to come. And our up to date quick assembly version will provide you with total confidence in the case of setup, requiring fewer bolts and ingeniously designed with easy to use, tool-free brackets. With our simple, step by step instructions on hand, you’ll have this foundation built and able to use within minutes. Built with a strong and durable steel frame and a versatile poly jacquard cover that slips right on, the Smart BoxSpring® is the picture of dependability for any mattress. All packed in a compact shipping box with everything included, even our 5-year worry free warranty! Now that’s peace of mind you’ll sleep on.

Steel Interior Frame With Poly Jacquard
STRONG, DEPENDABLE, AND READY IN NO TIME – As if its ultra-durable steel structure and convenient packaging weren’t impressive enough, our original Smart BoxSpring has been given a quick-assembly upgrade
DURABLY ENGINEERED – Durable steel is used to construct the inside framework of this foundation; twin/twin xl sizes reinforce a maximum weight capacity of 350 lbs, even as all other sizes can reinforce up to 700 lbs
EASIER THAN EVER ASSEMBLY – With fewer bolts and tool-free locking brackets for intuitive setup, assembly takes only minutes to complete
THOUGHTFULLY PACKAGED – All parts 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 reinforce this foundation and is sold one by one