ZINUS 5 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly, California King

Enjoy the strong support and convenience of the new 5 inch low profile Smart Box Spring by Zinus. Offers the look and functionality of a traditional box spring, but made from steel for longer-lasting durability. Compact packaging allows for tight interior spaces such as stairs and hallways. Easy assembly with all the needed tools included. Another comfort innovation from Zinus. Pioneering comfort.