Zinus Quick Lock® 9" Metal Smart Box Spring® Mattress Foundation, Twin
Zinus Quick Lock® 9" Metal Smart Box Spring® Mattress Foundation, Twin
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Zinus Quick Lock® 9" Metal Smart Box Spring® Mattress Foundation, Twin

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Key item features

  • Zinus Quick Lock® 9” Metal Smart Box Spring®, Twin
  • HASSLE & HEADACHE FREE - The Quick Lock® Metal Smart Box Spring® comes together with easy-to-follow instructions, fewer bolts and absolutely no headaches; assembly that’s intuitive and packaging that seems to defy the laws of physics - now that’s what we call a new-age box spring
  • DURABLY ENGINEERED - A durable steel frame is used to construct the interior framework of this foundation; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs
  • HIGH PROFILE DESIGN - A 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor
  • THOUGHTFULLY PACKAGED - All parts, tools and instructions are packed into one compact box that ships straight to your door; Quick Snap assembly system makes set-up intuitive and stress-free
  • Worry-free 5 year limited warranty included; box spring only, a bed frame or platform bed is required to support this foundation and is sold separately
  • See our assortment of Zinus products
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Customer ratings & reviews

4.7 out of 5 stars
stars89 ratings44 reviews
How item rating is calculated
  1. 5 stars87% (77)
  2. 4 stars7% (6)
  3. 3 stars2% (2)
  4. 2 stars0% (0)
  5. 1 star4% (4)

Reviews summary

Pros

  • : Made with a construction that can withstand weight and use.
  • : Assembles quickly with minimal tools and effort.
  • : Offers great value at a lower cost.
  • : Made with secure joints and durable materials.
  • : Pieces fit together accurately and snugly.
  • : Directions are easy to follow.
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Showing 1-3 of 44 reviews

Jan 17, 2025
DJsLaw
Item details
Bed size: Queen
Size: 4"
5 out of 5 stars review

Verified Purchase

Truly a Quality Product!

This box spring is amazing. As I have gotten older, I have found that our 4-poster bed , with a combination of 26" of traditional box spring and mattress, was just not cutting it. Add in a recent foot surgery, and getting in and out of bed had become almost impossible. First we removed the 11" box spring and placed a piece of 1/2" plywood in it's place. That worked, but it was very difficult to get our hands down next to the side boards to put the sheets on the bed. Finding this box spring was one of the best things that has ever happened to me! My adult daughter and her Dad put the box spring together in about 15-20 minutes with each one of them working on a specific side of the frame. It was easy to put together and is super sturdy. All the pieces fit perfectly, and there were actually "extra" parts in the packing. This will last us for a very long time, for which we are thrilled! I would give this product 10 Stars if I could. I highly recommend this box spring!

Incentivized Review
Helpful?3TP3WC4Z2VO4394636024
Feb 4, 2025
Pinkpony94
Item details
Bed size: Queen
Size: 4"
5 out of 5 stars review

Verified Purchase

This foundation exactly what I was looking for!!

My previous box spring foundation was 9” deep and with my deep mattress it was getting hard to get into bed at night. I decided to get a less deep foundation. A local furniture store would sell a 4” deep one for $380 which I thought was way too high. So I checked Walmart and decided on this one. It was easy to assemble and very sturdy. The cost was less than half the cost of the furniture store one. Now it's much easier to slide into bed at night. I highly recommend this foundation.

Incentivized Review
Helpful?3TP3WC4Z2VO4394636024
Mar 2, 2026
WalmartCustomer
Top Reviewer
Item details
Bed size: Full
Size: 4"
5 out of 5 stars review

Verified Purchase

Reviews about quality were very helpful. I needed delivery asap and something I could afford. This box spring fit the bill.

Incentivized Review
Helpful?3TP3WC4Z2VO4394636024