Top 10 Best King Size Box

of November 2024
1
Best ChoiceBest Choice
ZINUS 9 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame
Zinus
Zinus
10
Exceptional
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2
Best ValueBest Value
ZINUS 7 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame
Zinus
Zinus
9.9
Exceptional
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3
ZINUS 5 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame
Zinus
Zinus
9.8
Exceptional
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4
ZINUS SmartBase Compack Mattress Foundation / 14 Inch Metal Bed Frame / No Box
Zinus
Zinus
9.7
Exceptional
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5
Amazon Basics Smart Box Spring Bed Base, 7-Inch Mattress Foundation - King
Amazon Basics
Amazon Basics
9.6
Exceptional
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6
ZINUS Metal Box Spring with Wood Slats /4 Inch Mattress Foundation / Sturdy
Zinus
Zinus
9.5
Excellent
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7
Sealy - Memory Foam Bed in a Box  12 Inch, Medium Feel, King Size, CopperChill
Sealy
Sealy
9.4
Excellent
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8
ZINUS 12 Inch Euro Top Pocket Spring Hybrid Mattress / Pressure Relief / Pocket
Zinus
Zinus
9.3
Excellent
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9
ZINUS No Assembly Metal Box Spring / 4 Inch White Mattress Foundation / Sturdy
Zinus
Zinus
9.2
Excellent
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10
ZINUS Quick Lock Metal Smart Box Spring / 4 Inch Mattress Foundation / Strong
Zinus
Zinus
9.1
Excellent
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About King Size Box

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ZINUS 9 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly, King

THE LAST BOX SPRING YOULL 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. 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.

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

THE LAST BOX SPRING YOULL 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.

ZINUS 5 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly, King

THE LAST BOX SPRING YOULL 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. 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.

ZINUS SmartBase Compack Mattress Foundation / 14 Inch Metal Bed Frame / No Box Spring Needed / Sturdy Steel Slat Support, King

TRADE UP TO GREAT MATTRESS SUPPORT - Upgrade your traditional bed frame and box spring for this simple-to-assemble and easy-to-maneuver mattress foundation for support thats easy to fall asleep on. DURABILITY BUILT-IN - Made completely of durable steel, this reliable design features multiple points of contact with the floor and plastic caps to protect your floor underbed clearance space of 13 inches adds maximum functionality. NO BOX SPRING NEEDED - Rest your latex, spring or memory foam mattress directly on top of the steel slatted platform narrow twin, twin and twin XL sizes can support upto 750 lbs, while all other sizes support upto 1500 lbs. EASY ASSEMBLY - All tools, parts and instructions are expertly packed into one Compack shipping box for simple setup that takes less than an hour to complete. Worry-free 5 year warranty included mattress sold separately.

Amazon Basics Smart Box Spring Bed Base, 7-Inch Mattress Foundation - King Size, Tool-Free Easy Assembly

Offers the look and functionality of a traditional box spring, but made from steel for longer-lasting durability sturdy enough to support any spring, foam, or hybrid mattress. Durable steel frame and horizontal slats provide sturdy, reliable support for any same-size mattress. 2-piece fabric top and bottom covers zip securely together for full coverage cover is removable for spot cleaning. Easy tool-free assembly interlocking frame components assemble in minutes. Outer frame folds down for compact, convenient shipping to your front door. King size measures 7 x 79 x 75.5 inches HxLxW.

ZINUS Metal Box Spring with Wood Slats /4 Inch Mattress Foundation / Sturdy Steel Structure / Easy Assembly, King

A MATTRESS GAME-CHANGER This box spring is built with all of the trusted support we put into our ever-so-popular platform beds, and this box spring has the total package - an unwavering steel structure, reliable, closely spaced wood slats and a cleverly developed, well, package. 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. LOW PROFILE DESIGN - A 4 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.

Sealy - Memory Foam Bed in a Box 12 Inch, Medium Feel, King Size, CopperChill Technology, CertiPur-US Certified

MEMORY FOAM MATTRESS IN A BOXAll the comfort and trusted quality of a Sealy mattress, delivered right to your door and ready to use within 24 hours.. LAYERS OF COMFORTSofter conforming memory foam hugs you for personalized comfort throughout the night, while denser foam layers deeper in the mattress keep you supported.. COOLER, MORE COMFORTABLE SLEEPCopperChill fused memory foam promotes cooler, more comfortable sleep.. IDEAL FOR ALL SLEEP POSITIONSThis medium memory foam mattress is designed for the way you sleep, whether thats on your back, stomach, or side.. CONVENIENT DURABLEShipped direct to you and built to last, you can rest easy on this premium 12 inch mattress for years to come.

ZINUS 12 Inch Euro Top Pocket Spring Hybrid Mattress / Pressure Relief / Pocket Innersprings for Motion Isolation / Bed-in-a-Box, King

LAYERED TO PERFECTION - A foolproof combination of individually wrapped iCoil innersprings and supportive foams topped with a dreamy, microfiber quilted cover add up to undisturbed, restorative sleep thatll have you daydreaming about bedtime. SUPPORTIVE FOAM POCKET SPRINGS Layers of soft comfort foam, durable high density foam and motion-isolating iCoil pocket springs with a quilted, microfiber top ideal for back sleepers and average weight to plus-sized sleepers. OEKO-TEX CERTIFIED This mattress conforms to Europes highest standards and meets OEKO-TEX requirements to be free of harmful chemicals and substances. EXPERTLY PACKAGED - Our technology allows this mattress to be efficiently compressed one box thats easily shipped and maneuvered into the bedroom simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours. Worry-free 10 year limited warranty included twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs.

ZINUS No Assembly Metal Box Spring / 4 Inch White Mattress Foundation / Sturdy Metal Structure, Split King

AS SIMPLE AS UNFOLD UNWIND - Requiring no tools and zero tedious assembly, the innovative No Assembly box spring requires only unfolding to become bedtime ready the hardest part will be taking it out of the box. DURABLY ENGINEERED - Durable steel is used to construct the interior framework of this reliable foundation twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs King and Cal King sizes are split versions. LOW PROFILE DESIGN - A 4 inch height is perfect for taller mattresses or for those who enjoy their bed lower to the floor. THOUGHTFULLY PACKAGED - All parts 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.

ZINUS Quick Lock Metal Smart Box Spring / 4 Inch Mattress Foundation / Strong Metal Structure / Easy Assembly, King

HASSLE HEADACHE FREE - The Quick Lock Metal Smart Box Spring comes together with easy-to-follow instructions, fewer bolts and absolutely no headaches assembly thats intuitive and packaging that seems to defy the laws of physics - now thats 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. LOW PROFILE DESIGN - A 4 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 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.
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