Mainstays Queen Easy Assembly Smart Metal Box Spring for $21.80
Next best price on Google is $109
Posted on Jan 16th 2026
By Sophia Davis
Walmart is offering the Mainstays 5" Queen Easy Assembly Smart Metal Box Spring, Mattress Foundation for the best deal.
Regular Price is $109
Walmart Price is $21.80
Free shipping with $35 purchase or with Walmart+
Regular Price is $109
Walmart Price is $21.80
Free shipping with $35 purchase or with Walmart+
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