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Coverage for accidental damage including drops, spills, and broken parts, as well as breakdowns (plans vary)
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10-Year Protection $49.99
2 Year Furniture Protection Plan $24.99
3 Year Furniture Protection Plan $31.99

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BedGard 10-Year Mattress Protection Queen (A)

from UNITERS
  • 10-Year Accidental Stain Protection for your new mattress.
  • Includes a breathable BedGard Mattress protector made with cotton blended terry.
  • Sure Fit construction for mattresses up to 18” deep.
  • 24/7 online Warranty Service.
  • See terms and conditions for complete details.

2 Year Furniture Protection Plan

from Asurion, LLC
  • NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
  • COVERAGE: Coverage starts the date of purchase. Stains, rips or tears, seam separation, moving parts and more are covered from day one. Defects in materials or workmanship covered after the manufacturer warranty expires.
  • EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. We will send you an Amazon e-gift card for the purchase price of your covered product. In some cases, we will replace or repair it.
  • TERMS & DETAILS: More information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Terms & Conditions will be available in Your Orders on Amazon. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase.

3 Year Furniture Protection Plan

from Asurion, LLC
  • NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
  • COVERAGE: Coverage starts the date of purchase. Stains, rips or tears, seam separation, moving parts and more are covered from day one. Defects in materials or workmanship covered after the manufacturer warranty expires.
  • EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. We will send you an Amazon e-gift card for the purchase price of your covered product. In some cases, we will replace or repair it.
  • TERMS & DETAILS: More information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Terms & Conditions will be available in Your Orders on Amazon. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase.
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ZINUS 7 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly, Queen

4.5 4.5 out of 5 stars 16,986 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Box Springs by Zinus

$139.99
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Available at a lower price from other sellers that may not offer free Prime shipping.
Queen
Original

Purchase options and add-ons

Size Queen
Product Dimensions 79"L x 59.5"W x 7"H
Special Feature Durable
Color Grey
Finish Type Steel
Material
Steel
Style
Original
Maximum Weight Recommendation
700 Pounds
Item Weight
36.6 Pounds

About this item

  • THE LAST BOX SPRING YOU’LL EVER NEED - Unlike a traditional box spring, the Smart box spring is made of solid steel that comes together in no time and is backed by our Zinus “Peace of Mind” 5 year warranty
  • DURABLY ENGINEERED - Durable steel is used to construct the inside framework of this foundation; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs
  • THOUGHTFULLY PACKAGED - All parts, tools and instructions are packed into one compact box that ships straight to your door
  • Box spring only, a bed frame or platform bed is required to support this foundation and is sold separately
  • Worry-free 5 year limited warranty included
  • This item arrives in one shipping box
See more product details

Customer ratings by feature

Sleep quality
5.0 5.0
Easy to fold
5.0 5.0
Light weight
4.7 4.7
Sturdiness
4.4 4.4
79" 59.5" 7" 79"

Frequently bought together

$139.99
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$56.99
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From the brand


From the manufacturer

Smart BoxSpring
available in 5, 7 and 9 inches profiles
Original Smart Box Spring comparison
Stong Support fo a Good Night's Sleep
boxspring metal frame

Strong, Stable and Sturdy

Built to Last

Unlike a traditional box spring, this cleverly crafted foundation is made with a thick and sturdy steel frame for ultimate strength and longevity.

quick assembly icon

Handyman Skills Not Required

Build It, Stress-Free

All tools, parts and instructions are conveniently packed into one box for set-up that takes less than an hour with a friend's help. Now that's what we call smart!

Are any tools required to assemble my box spring?

This box spring is shipped with everything you need to assemble it - all parts, tools and instructions can be found efficiently packed in the shipping box.

Does this box spring require a bed frame?

A basic metal bed frame or platform bed is required to support this box spring. Add your mattress, and you've got the dynamic trio for rock solid support.

What kind of mattress can this box spring support?

Our box springs are designed to do it all! Rest your memory foam, latex or spring mattress on top for smooth snoozing.

What is the distance between slats?

For Twin and Full sizes, spacing is 6.3 inches. For Twin XL, Queen and King sizes, spacing is 6.7 inches. For California King size, spacing is 7.2 inches.

Product Description

We like to think of a box spring as the backbone for your mattress. The best kind should be flat, level and built to keep your mattress in tiptop shape; and that’s just what the Smart Box Spring does! With its easily assembled, dependable steel structure, you can rest assured that your mattress will be sitting pretty. An included poly jacquard cover blends with the rest of your bedroom, and with a variety of different thicknesses to choose from, you can pick the one you need to customize the height of the bed. All packed in a compact shipping box with everything included, even our 5-year worry free warranty! Now that’s peace of mind you can sleep on.

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Regardless of your statutory right of withdrawal, you enjoy a 30-day right of return for many products. For exceptions and conditions, see Return details.
Product Warranty: For warranty information about this product, please click here. [PDF ]

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ZINUS 7 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly, Queen


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ZINUS 7 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly, Queen
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See Details See Details
Customer Rating 4.5 out of 5 stars (16986) 4.6 out of 5 stars (3655) 4.5 out of 5 stars (9150) 4.5 out of 5 stars (13447) 4.5 out of 5 stars (77512) 4.6 out of 5 stars (13623)
Price $139.99 $139.00 $105.64 $103.78 $139.99 $170.00
Shipping FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details
Sold By Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com
Color Grey White White White Grey Off White
Required Assembly Yes No No Yes Yes
Item Dimensions 79 x 59.5 x 7 inches 79 x 7 x 59 inches 79 x 59.5 x 9 inches 79 x 59.5 x 5 inches 79 x 59.5 x 9 inches 79 x 59.5 x 9 inches
Material Steel Polyester Metal Metal Alloy Steel Steel
Size Map Queen Queen Queen

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Customer reviews

4.5 out of 5 stars
4.5 out of 5
16,986 global ratings

Top reviews from the United States

Reviewed in the United States 🇺🇸 on April 28, 2023
Size: FullStyle Name: New/upgraded with quick assemblyVerified Purchase
6 people found this helpful
Report
Reviewed in the United States 🇺🇸 on April 27, 2023
Size: QueenStyle Name: New/upgraded with quick assemblyVerified Purchase
3 people found this helpful
Report
Reviewed in the United States 🇺🇸 on July 1, 2023
Size: TwinStyle Name: OriginalVerified Purchase
Customer image
4.0 out of 5 stars Arrived Slightly Damaged
Reviewed in the United States 🇺🇸 on July 1, 2023
It’s a nice substitute for a heavy box frame. I put a thin sheet of finished plywood on top to even out the support for the mattress inner springs. As the photos show, it arrived with one of two paired end tubes bent out of alignment. The bent tube had shiny sharp edged metal at the opening. I gently pressured it sort of back in alignment, then pressed/wiggled the side piece tubes into place in the end tubes.
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Customer imageCustomer imageCustomer image
Reviewed in the United States 🇺🇸 on June 12, 2023
Size: TwinStyle Name: OriginalVerified Purchase
One person found this helpful
Report
Reviewed in the United States 🇺🇸 on June 7, 2023
Size: TwinStyle Name: OriginalVerified Purchase

Top reviews from other countries

Amazon Customer
5.0 out of 5 stars Yes, there is such a thing as 5 stars
Reviewed in Canada 🇨🇦 on May 19, 2023
Size: FullStyle Name: OriginalVerified Purchase
Amazon Customer
5.0 out of 5 stars Great product!
Reviewed in Canada 🇨🇦 on June 20, 2023
Size: FullStyle Name: OriginalVerified Purchase
Maxim Lezin
5.0 out of 5 stars Great!
Reviewed in Canada 🇨🇦 on June 4, 2023
Size: QueenStyle Name: OriginalVerified Purchase
Sedatious
5.0 out of 5 stars Fantastic replacement for a standard wooden framed box-spring.
Reviewed in Canada 🇨🇦 on February 27, 2023
Size: QueenStyle Name: OriginalVerified Purchase
Jean Lelievre
4.0 out of 5 stars La grandeur fit reeelement.
Reviewed in Canada 🇨🇦 on March 29, 2023
Size: FullStyle Name: OriginalVerified Purchase