Zinus Quick Lock Metal Smart Box Spring / 4 inch Mattress Foundation / Strong Metal Structure / Easy ASSEMBLY Twin

Enjoy the strong support and convenience of the new 4 inch low profile quick lock 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. Quick lock easy assembly with all the needed tools included. Another comfort innovation from Zinus.