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frontpagePennyFound | Staff posted Jan 15, 2026 08:07 PM
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frontpagePennyFound | Staff posted Jan 15, 2026 08:07 PM

Zinus 5" WonderBox Smart Queen Mattress Box Spring (Box Spring Only)

$20

$75

73% off
Walmart
10 Comments 9,354 Views
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Deal Details
Walmart has Zinus 5" WonderBox Smart Queen Mattress Box Spring Foundation on sale for $20.40. Shipping is free w/ Walmart+ (free 30-day trial) or on orders of $35+.

Thanks to Deal Hunter PennyFound for sharing this deal.

Details:
  • Delivered in our earth-friendly WonderBox that is surprisingly small and easy to maneuver through doorways and tight corners.
  • Tool-free design snaps together in minutes for a frustration-free setup.
  • Provides long-lasting support for your mattress, maximizing comfort and lifespan.
  • Sleep soundly with an included 5-year warranty.
  • Box Spring only, Mattress and Bed Frame not included.

Editor's Notes

Written by SaltyOne | Staff
  • Rated 3.7 out of 5 stars from customer reviews.
  • At the time of this posting, our research indicates that this is $64.79 lower than the next best comparable online prices starting from $85.19.

Original Post

Written by PennyFound | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Walmart has Zinus 5" WonderBox Smart Queen Mattress Box Spring Foundation on sale for $20.40. Shipping is free w/ Walmart+ (free 30-day trial) or on orders of $35+.

Thanks to Deal Hunter PennyFound for sharing this deal.

Details:
  • Delivered in our earth-friendly WonderBox that is surprisingly small and easy to maneuver through doorways and tight corners.
  • Tool-free design snaps together in minutes for a frustration-free setup.
  • Provides long-lasting support for your mattress, maximizing comfort and lifespan.
  • Sleep soundly with an included 5-year warranty.
  • Box Spring only, Mattress and Bed Frame not included.

Editor's Notes

Written by SaltyOne | Staff
  • Rated 3.7 out of 5 stars from customer reviews.
  • At the time of this posting, our research indicates that this is $64.79 lower than the next best comparable online prices starting from $85.19.

Original Post

Written by PennyFound | Staff

Community Voting

Deal Score
+27
Good Deal
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Price Intelligence

Model: Zinus 5" WonderBox Smart Box Spring Quick Assembly Mattress Foundation, Queen

Current Prices

Sort: Lowest to Highest | Last Updated 1/16/2026, 08:09 PM
Sold By Sale Price
Walmart$20.40

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Top Comments

PatrickH2067
97 Posts
13 Reputation
I used to refurb Airbnb rooms. They always bought this trash. I put together fifty of these, give or take, and at least half of them had to be repaired or replaced. In the end, the owners all started buying actual bed frames.
If you are big, don't buy this. If you're 'rough' at all in bed, don't buy.

10 Comments

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Yesterday 02:40 AM
1,214 Posts
Joined Nov 2016
shigro420Yesterday 02:40 AM
1,214 Posts
Although a good price, I wouldn't expect this to do a very good job. Zinus box steel products are pretty flimsy.
Yesterday 07:14 AM
306 Posts
Joined Mar 2014
KnightStarYesterday 07:14 AM
306 Posts
Reviews said no feets like the ones pictured.
1
Yesterday 07:39 AM
97 Posts
Joined Sep 2012
PatrickH2067Yesterday 07:39 AM
97 Posts

Our community has rated this post as helpful. If you agree, why not thank PatrickH2067

I used to refurb Airbnb rooms. They always bought this trash. I put together fifty of these, give or take, and at least half of them had to be repaired or replaced. In the end, the owners all started buying actual bed frames.
If you are big, don't buy this. If you're 'rough' at all in bed, don't buy.
3
Yesterday 08:27 AM
159 Posts
Joined Nov 2019
vns1Yesterday 08:27 AM
159 Posts
Isn't the size wrong? At 80x80" this is bigger than Queen (which is 60x80)
Pro
Yesterday 01:09 PM
207 Posts
Joined Nov 2015
EuphoriaFalcons
Pro
Yesterday 01:09 PM
207 Posts
Thanks OP
Yesterday 05:24 PM
4,766 Posts
Joined Jun 2008
AndrewinMDYesterday 05:24 PM
4,766 Posts
I was very interested until I saw what it is. My in-laws have one of these (very similar), and it's absolute trash. It would come apart no matter who climbed into the bed with a *THUMP* as the one of the joints slipped. There's nothing holding it together other than notches and tabs that loosely fit. I had to zip tie the pieces together in several places to make it work. Hard pass.
Yesterday 05:42 PM
105 Posts
Joined Dec 2013
alicemagicYesterday 05:42 PM
105 Posts
Pretty negative comments here but Amazon ratings seem fine

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Yesterday 08:30 PM
137 Posts
Joined Jan 2011
TwinTurboJoshYesterday 08:30 PM
137 Posts
Am I the only one that saw a PS3 Slim in the thumbnail?
Yesterday 08:54 PM
97 Posts
Joined Feb 2007
mbgrammerYesterday 08:54 PM
97 Posts
How is that a box spring? Looks like a foam mattress platform
1
Yesterday 11:13 PM
15 Posts
Joined Aug 2013
BarryB7266Yesterday 11:13 PM
15 Posts
Quote from alicemagic :
Pretty negative comments here but Amazon ratings seem fine

Probably "global" ratings. Also probably heavily padded by people hired to bring up a sellers ratings so they can sell more garbage than the next guy can.

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