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  • 10-Year Accidental Stain Protection for your new mattress.
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ZINUS 9 Inch Metal Smart Box Spring / 700 lbs Mattress Foundation / Strong Frame / Easy Assembly, Full

4.5 4.5 out of 5 stars 77,512 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Box Springs by Zinus

-8% $137.00
List Price: $149.00

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

Purchase options and add-ons

Style
Original
Material
Alloy Steel
Item Weight
36.38 Pounds
Assembly Required
Yes
  • 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.
  • 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. Core Composition: Steel Frames, Fabric: Non Woven with Jacquard Boarder
  • HIGH PROFILE DESIGN - A 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor; For the fastest resolution and to avoid delays, please describe your issue as precisely as possible
  • THOUGHTFULLY PACKAGED - All parts, tools and instructions are packed into one compact box that ships straight to your door
  • 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 more product details

Customer ratings by feature

Sleep quality
4.5 4.5
Sturdiness
4.4 4.4
Maneuverability
4.4 4.4
Easy to assemble
4.3 4.3

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$137.00
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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.

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Warranty & Support

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ZINUS 9 Inch Metal Smart Box Spring / 700 lbs Mattress Foundation / Strong Frame / Easy Assembly, Full


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Compare with similar items


ZINUS 9 Inch Metal Smart Box Spring / 700 lbs Mattress Foundation / Strong Frame / Easy Assembly, Full
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See Details See Details
Customer Rating 4.5 out of 5 stars (77512) 4.5 out of 5 stars (3672) 4.5 out of 5 stars (13447) 4.5 out of 5 stars (9150) 4.5 out of 5 stars (3672) 4.5 out of 5 stars (13447)
Price $137.00 $116.65 $104.00 $75.04 $70.38 $83.09
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 Black White White White White White
Required Assembly Yes No No No
Item Dimensions 74 x 53 x 9 inches 74 x 7 x 53 inches 74 x 53 x 5 inches 74 x 38 x 9 inches 74 x 7 x 38 inches 74 x 38 x 5 inches
Material Alloy Steel Polyester Metal Metal Polyester Metal
Size Map Full

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Customer reviews

4.5 out of 5 stars
4.5 out of 5
77,512 global ratings

Top reviews from the United States

Reviewed in the United States 🇺🇸 on June 3, 2023
Size: QueenStyle: OriginalVerified Purchase
4 people found this helpful
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Reviewed in the United States 🇺🇸 on October 14, 2017
Size: FullStyle: OriginalVerified Purchase
4,005 people found this helpful
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Reviewed in the United States 🇺🇸 on June 29, 2023
Size: QueenStyle: OriginalVerified Purchase
Reviewed in the United States 🇺🇸 on June 28, 2023
Size: QueenStyle: OriginalVerified Purchase
Reviewed in the United States 🇺🇸 on June 4, 2023
Size: QueenStyle: OriginalVerified Purchase
6 people found this helpful
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Top reviews from other countries

Laila
5.0 out of 5 stars Missed parts
Reviewed in Canada 🇨🇦 on June 16, 2023
Size: TwinStyle: New/upgraded with quick assemblyVerified Purchase
Daniel Martinez
5.0 out of 5 stars Fácil de armar y resistente
Reviewed in Mexico 🇲🇽 on May 19, 2020
Size: FullStyle: OriginalVerified Purchase
One person found this helpful
Report
My
5.0 out of 5 stars Good
Reviewed in Canada 🇨🇦 on April 25, 2023
Size: TwinStyle: New/upgraded with quick assemblyVerified Purchase
Alex
1.0 out of 5 stars Twin bed advertised as queen size.
Reviewed in Canada 🇨🇦 on March 16, 2023
Size: TwinStyle: New/upgraded with quick assemblyVerified Purchase
5 people found this helpful
Report
Robert Amos
5.0 out of 5 stars Excellent product
Reviewed in Canada 🇨🇦 on June 27, 2023
Size: QueenStyle: OriginalVerified Purchase