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Durable cover: our foundation is covered in a long-lasting, stone grey woven fabric. The perfect height: at 7 1/4 inches, this foundation adds the perfect lift when you need some extra height.

Additionally, we added 4 inches of extra-firm foam around the bottom foam layer for extra edge support so you feel comfortable all night long.
In addition, our cover is designed to feel cozy and breathable. Luxurious comfort - with two comfort layers of our proprietary T&N Adaptive foam and a super luxe knit cover, the Mint is indulgently comfy and cozy. No risk - our mattress has an honest 10 year limited warranty you can actually use no gimmicks and Hundred-Night Sleep Trial. Heiq hyprotecht guards against degradation from microorganisms and inhibits the growth of bacterial odors.


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.

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.

No box spring needed - rest your memory foam, latex or spring mattress directly on top of this foundation for excellent support and extended mattress life.

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. Core composition: steel Frames, Fabric: Non Woven with Jacquard Boarder.

Proven - over a million people choose us every night. Note - please allow up to 72 hours for the mattress to fully expand and for any potential odor to dissipate.
In fact, 95% of our customers keep and love their T&N Original Mattress, featuring our own proprietary T&N Adaptive foam, the Original Mattress is universally comfortable for all sleeping positions. Questions? - we pride ourselves on customer service and urge you to reach out to us directly if you have any questions at any point, our expert customer service team will be available to help you through any hesitations, problems or questions you may have.

Note: please allow up to 72 hours for the mattress to fully expand and for any potential odor to dissipate. Backed by the tuft & needle brand, high-quality product at a fair price, you can expect a beautiful, shipped to your door.
Free of harmful chemicals: we go the extra mile to get our mattresses GREENGUARD Gold and CertiPUR-US certified. High-quality innovative foam: all the benefits of outdated materials like latex and memory foam without the drawbacks like sinking in or sleeping hot. Our beds are held to the highest of standards and are third party tested and certified to free of harmful chemicals, substances or materials.

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. Thoughtfully packaged - All parts, tools and instructions are packed into one compact box that ships straight to your door.
A mattress game-changer - any decent mattress needs a good foundation behind it, this game-changing box spring has the total package - an unwavering steel structure, closely spaced wood slats and a compact, cleverly developed, well, and this box spring is one of our best; built with all of the trusted support we put into our ever-so-popular platform beds, reliable, package.
1. Tuft & Needle
#ad
Tuft & Needle Mattress Box Foundation Box Spring Replacement, King
#adTuft & Needle #ad - Try it risk free: backed by our 5-year warranty, simply return for a full refund, try the box foundation for 100 nights and if anything isn't perfect, guaranteed.Durable cover: our foundation is covered in a long-lasting, stone grey woven fabric. The perfect height: at 7 1/4 inches, this foundation adds the perfect lift when you need some extra height.
More information #ad
Tool-less assembly: ships to your door in a convenient box and assembles in minutes, not hours. Our answer to the box spring: whether you’re looking for a partner for your metal base, or a little added height, this box foundation has you covered.Brand | Tuft & Needle #ad |
Manufacturer | Tuft & Needle #ad |
Height | 7.25 Inches |
Length | 80 Inches |
Width | 76 Inches |
More information #ad
2. Tuft & Needle
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100 Night Trial, Protection Powered by HEIQ, Grey, Tuft & Needle Mint Twin Mattress, Extra Cooling Adaptive Foam with Ceramic Gel Beads and Edge Support, CertiPUR-US
#adTuft & Needle #ad - This product does not protect users or others against bacteria, germs, viruses, or other disease organisms. Please allow up to 72 hours for the mattress to full expand, if you have any questions at all, do not hesitate to reach out! Extra breathability - we added 30% more graphite to the top layer of our open-cell T&N Adaptive foam to help draw heat away from your body as you sleep.Additionally, we added 4 inches of extra-firm foam around the bottom foam layer for extra edge support so you feel comfortable all night long.
More information #ad
Progressive support - when pressure is applied to gel beads, they stack to create a unique cushioned feel that adds a more progressive, supportive feel. We designed this mattress to provide pressure relief to spots like hips and shoulders. In addition, our cover is designed to feel cozy and breathable. Luxurious comfort - with two comfort layers of our proprietary T&N Adaptive foam and a super luxe knit cover, the Mint is indulgently comfy and cozy. No risk - our mattress has an honest 10 year limited warranty you can actually use no gimmicks and Hundred-Night Sleep Trial. Heiq hyprotecht guards against degradation from microorganisms and inhibits the growth of bacterial odors.
Brand | Tuft & Needle #ad |
Manufacturer | Tuft & Needle #ad |
Height | 12 Inches |
Length | 75 Inches |
Weight | 50 Pounds |
Width | 39 Inches |
Part Number | MAT-MNTVB-01-T |
Model | MAT-MNTVB-01-T |
Warranty | 10 year. |
More information #ad
3. Amazon Basics
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Full Size, Tool-Free Easy Assembly, Amazon Basics Smart Box Spring Bed Base, 9-Inch Mattress Foundation
#adAmazon Basics #ad - Durable steel frame and horizontal slats provide sturdy, reliable support for any same-size mattress. Easy tool-free assembly; interlocking frame components assemble in minutes. 2-piece fabric top and bottom covers the frame and zips together for full coverage; cover is removable for spot cleaning.More information #ad
Outer frame folds down for compact, convenient shipping to your front door. The look and functionality of a traditional box spring, but made from steel to support any spring, memory foam, or hybrid mattress. Full size measures 9 x 74 x 53 inches HxLxW.Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Height | 9 Inches |
Length | 74 Inches |
Weight | 33.66 Pounds |
Width | 53 Inches |
Part Number | AMZ-9KDBS-F2 |
Model | AMZ-9KDBS-F2 |
More information #ad
4. Zinus
#ad
ZINUS 9 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly, King
#adZinus #ad - 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.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.
More information #ad
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. Thoughtfully packaged - All parts, tools and instructions are packed into one compact box that ships straight to your door. 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.Brand | Zinus #ad |
Manufacturer | Zinus - DROPSHIP #ad |
Height | 9 Inches |
Length | 79 Inches |
Weight | 44.97 Pounds |
Width | 75.5 Inches |
Part Number | OLB-ABS-9K |
Model | OLB-ABS-9K |
Warranty | Worry-free 5 year limited warranty included. |
More information #ad
5. Zinus
#ad
ZINUS 7 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly, King
#adZinus #ad - Box spring only, a bed frame or platform bed is required to support this foundation and is sold separately. Thoughtfully packaged - All parts, tools and instructions are packed into one compact box that ships straight to your door.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.
More information #ad
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. Worry-free 5 year limited warranty included.Brand | Zinus #ad |
Manufacturer | Zinus #ad |
Height | 7 Inches |
Length | 79 Inches |
Weight | 47.02 Pounds |
Width | 75.5 Inches |
Part Number | OLB-ABS-7K |
Model | OLB-ABS-7K |
Warranty | Worry-free 5 year limited warranty included. |
More information #ad
6. Zinus
#ad
ZINUS GOOD DESIGN Award Winner Justina Metal Mattress Foundation / 16 Inch Platform Bed / No Box Spring Needed, Queen
#adZinus #ad - Multiple colors and sizes - offered in an array of colors and extended sizes to suit any room size or home interior. Easy assembly, zip-free cover - features bolt-free Quick Snap assembly for convenient and quick set-up; hooks and elastic loops hold the cover in place; all tools, parts, and instructions included in one smartly shipped box.No box spring needed - rest your memory foam, latex or spring mattress directly on top of this foundation for excellent support and extended mattress life.
More information #ad
Good design award winner - awarded by the Chicago Athenaeum Museum of Architecture and Design in 2019 for innovative design and assembly. Worry-free five-year limited included; mattress sold separately.Brand | Zinus #ad |
Manufacturer | Zinus #ad |
Height | 16 Inches |
Length | 79 Inches |
Weight | 52.8 Pounds |
Width | 59.5 Inches |
Part Number | FRBX-9GR-Q |
Model | FRBX-9GR-Q |
Warranty | Worry-free five-year limited warranty included. |
More information #ad
7. Zinus
#ad
ZINUS 5 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly, King
#adZinus #ad - Low profile design - a 5 inch height is perfect for taller mattresses or for those who enjoy their bed lower to the floor. 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. Core composition: steel Frames, Fabric: Non Woven with Jacquard Boarder.
More information #ad
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. 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.Brand | Zinus #ad |
Manufacturer | Zinus #ad |
Height | 5 Inches |
Length | 79 Inches |
Weight | 46.05 Pounds |
Width | 75.5 Inches |
Part Number | OLB-ABS-5K |
Model | OLB-ABS-5K |
Warranty | Worry-free 5 year limited warranty included. |
More information #ad
8. Tuft & Needle
#ad
TUFT & NEEDLE, Original King Adaptive Foam Mattress, 100-Night Trial, CertiPUR-US
#adTuft & Needle #ad - Cool sleeping - our foam is more advanced than outdated materials such as latex and memory foam, the T&N Adaptive foam helps pull away heat with cooling graphite and gel beads, wrapped in our breathable plush cover to help keep you cool and comfortable. Proprietary foam - our t&n adaptive foam is engineered based on customer feedback and provides pressure relief where you need it most.Proven - over a million people choose us every night. Note - please allow up to 72 hours for the mattress to fully expand and for any potential odor to dissipate.
More information #ad
Free of harmful chemicals - our mattresses are greenguard gold and CertiPUR-US certified, this means our beds are held to the highest of standards and are third party tested and certified to free of harmful chemicals, substances or materials. An open-cell structure provides a flexible sleep surface that adjusts to you as you move throughout the night. In fact, 95% of our customers keep and love their T&N Original Mattress, featuring our own proprietary T&N Adaptive foam, the Original Mattress is universally comfortable for all sleeping positions. Questions? - we pride ourselves on customer service and urge you to reach out to us directly if you have any questions at any point, our expert customer service team will be available to help you through any hesitations, problems or questions you may have.
Brand | Tuft & Needle #ad |
Manufacturer | Fosbrooke, Inc. (dba Tuft & Needle) #ad |
Height | 10 Inches |
Length | 80 Inches |
Weight | 82 Pounds |
Width | 76 Inches |
Part Number | MAT-TN-02-K |
Model | MAT-TN-02-K |
More information #ad
9. Nod by Tuft & Needle
#ad
Nod by Tuft & Needle, Adaptive Foam 8-Inch Mattress, King
#adNod by Tuft & Needle #ad - Affordable without cutting corners: by focusing in on the main components of great sleep, comfort and support, we were able to make a remarkably comfortable mattress at a price that’s accessible to everyone. We're bringing the expertise that we have gained over the last 6 years to our exclusive Nod by Tuft & Needle.Note: please allow up to 72 hours for the mattress to fully expand and for any potential odor to dissipate. Backed by the tuft & needle brand, high-quality product at a fair price, you can expect a beautiful, shipped to your door.
More information #ad
Our foam sleeps cool and is the ideal balance of soft and firm. Risk-free: backed by a hassle-free 10-year limited warranty, the Nod by Tuft & Needle also comes with a 100-night sleep trial so you can sleep soundly knowing you can actually take the time you need to decide if this mattress is right for you. Free of harmful chemicals: we go the extra mile to get our mattresses GREENGUARD Gold and CertiPUR-US certified. High-quality innovative foam: all the benefits of outdated materials like latex and memory foam without the drawbacks like sinking in or sleeping hot. Our beds are held to the highest of standards and are third party tested and certified to free of harmful chemicals, substances or materials.
Brand | Nod by Tuft & Needle #ad |
Manufacturer | Nod by Tuft & Needle #ad |
Height | 8 Inches |
Length | 80 Inches |
Weight | 50 Pounds |
Width | 76 Inches |
Part Number | MAT-NOD-01-K |
Model | MAT-NOD-02-K |
More information #ad
10. Zinus
#ad
King, ZINUS Metal Box Spring with Wood Slats /9 Inch Mattress Foundation / Sturdy Steel Structure / Easy Assembly
#adZinus #ad - Durably engineered - durable steel and wood slats are 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.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. Thoughtfully packaged - All parts, tools and instructions are packed into one compact box that ships straight to your door.
More information #ad
High profile design - a 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor. A mattress game-changer - any decent mattress needs a good foundation behind it, this game-changing box spring has the total package - an unwavering steel structure, closely spaced wood slats and a compact, cleverly developed, well, and this box spring is one of our best; built with all of the trusted support we put into our ever-so-popular platform beds, reliable, package.
Brand | Zinus #ad |
Manufacturer | Zinus #ad |
Height | 9 Inches |
Length | 79 Inches |
Width | 75.7 Inches |
Part Number | AZ-HBBS-9K |
Model | AZ-HBBS-9K |
Warranty | Worry-free 5 year limited warranty included. |
More information #ad