Best King Box Springs in 2026

A MATTRESS GAME-CHANGER - Any decent mattress needs a good foundation behind it, 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, this game-changing box spring has the total package - an unwavering steel structure, reliable, closely spaced wood slats and a compact, 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

HIGH PROFILE DESIGN - A 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor

DURABLE AND SOLID HARDWOOD: Constructed of solid rubberwood and composites, a material that is naturally stronger, denser, and more durable that the more commonly-used pine wood found in other bunk beds.Item Dimensions : 200.66 L x 191.77 W x 12.7 H Centimeters.Maximum weight recommendation:350 pounds

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

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

Cal King box spring provides added comfort and reliable, quiet mattress support

Compatible with any spring, memory foam, or hybrid mattress

Easy tool-free assembly; interlocking frame components assemble in minutes

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

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 supports a maximum weight capacity of 350 lbs, while aother sizes can support up to 700 lbs; Queen, King and Cal King sizes are split versions

HIGH PROFILE DESIGN - A 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor

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

LOW PROFILE DESIGN - A 4 inch height is perfect for taller mattresses or for those who enjoy their bed lower to the floor

GOOD DESIGN AWARD WINNER - Awarded by the Chicago Athenaeum Museum of Architecture and Design in 2019 for innovative design and assembly

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

NATURAL WOOD INTERIOR - Engineered with thicker wood slats than most traditional box springs, this strong and steady solid wood frame is ideally suited to support memory foam or latex mattresses

DURABLY ENGINEERED - Durable wood is used to construct the interior framework of this reliable foundation; slats are spaced 2.8 – 3.4 inches apart; twin size supports a maximum weight capacity of 250 lbs, while all other sizes can support up to 500 lbs

LOW PROFILE DESIGN - A 4 inch height is perfect for taller mattresses or for those who enjoy their bed lower to the floor

ALL-IN-ONE SUPPORT - Made with the same steel structure of our tried and true box springs, the Keenan Mattress Foundation features a dependable mattress platform supported by multiple durable legs for stability you can count on

HEADBOARD COMPATIBLE - Included headboard brackets allow you to attach your favorite standard-sized headboard to the foundation; hardware for attachment is not included

DURABLY ENGINEERED - Durable steel is used to construct the interior framework of this reliable foundation for greater longevity; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs

Low Profile Box Spring King Size; Measures: 79.5 by 75.5 by 7 inches (LxWxH); Weighs 55 pounds

Strong Structure Mattress Foundation; Constructed of Durable Steel Structure, which offers a noise-free, excellent support for your mattress. Supports up to 3000 LBS

Easy Assembly Mattress Box Spring; All tools included, can be easy set up in 30 minutes; No Bedframe Included

STYLE & SUBSTANCE - Designed to keep up with appearances, this foundation offers a twist on traditional; featuring thick wooden slats, a steel and plywood structure and grey fabric panels for an upholstered look that complements your mattress and bed frame

DURABLY ENGINEERED - Thick plywood on the interior with 2.8 inch wood slats are covered in a durable woven grey fabric; supports any latex, memory foam or spring mattress

CUSTOMIZE THE HEIGHT OF THE BED - With 3 different profiles available, you can choose to make your bed as high or low as you like; twin size can support upto 350 lbs, and all other sizes can support upto 700 lbs

Mattress Box Spring: Box spring is made from wood to support memory foam, or hybrid mattress. The design of the box springs is sophisticated and elegant. No need to worry about your box spring break, you can use the box spring mattress for a long time.

Strong and Durable: Box spring is made from light but dense lumber which prevents the box to loosen up and keeps the mattress in perfect shape.The box spring easily entrances by splitting them into two sections that are no hassle in carrying it.

No Assembly Required: Shipped fully assembled and ready to use, open the box and Box Spring is ready to use. The Box spring will give a perfect height for your mattress.

STURDAY MATERIAL: A quality wood box spring provides durable and sturdy support for your mattress, while reducing noise and offering an attractive, eco-friendly option when made from sustainably-sourced wood.

COMPACT PACKAGING: An easy-to-assemble box spring offers convenience and time-saving benefits. It makes moving and rearranging furniture easier and is ideal for those who lack assembly skills or tools. Additionally, compact packaging allows for easy transport and passing through narrow doorways.

AVAILABLE VARIATIONS:This product is available in two different colors, white and black, and can be purchased in all sizes. Additionally, customers have the option to choose between two thicknesses, either 4.5 inches or 8 inches. With a variety of options available, customers can select the product that best fits their needs and preferences.

Tatami Mat Queen Size: 60 x 80 x 0.5 in（standard metric size 203 x 153 x 1.5cm）. Can folded in three. (Folding size: 60 x 26.6 x 1.8 in.)

Experience the comfort of sleeping on a traditional Japanese floor mattress with our queen size tatami mat.

Made with rush grass, this folding tatami bed provides natural cooling and a firm sleep surface.

Strong and sturdy steel structure for longer-lasting durability and heavy duty, increases mattress life

9 inch Height Design is perfect for traditional heavy mattresses or memory foam mattress

Noise-free and Non-slip design are added to the fabric zipper coverlet (bed cover) to prevent squeaks and keep mattress in place

✅【 3000lbs MAX WEIGHT CAPACITY】 Reinforced square tubular steel frame with center support bracing insures stability and supports up to 3000lbs. Sturdy square steel slats can support heavier deluxe Mattress and also easily withstand the pressure of 4 to 6 people without any sags.

✅【 STABILITY SYSTEM】 Each pole & Support Frame are Seamlessly welded tightly at both ends to make the whole structure Secure & firm, and prevents structural twisting and no noise! Real Heavy-duty Square steel frame: 1inch(L)x 1inch(W) * 0.8mm (Thickness), rust resistant fully automatic paint process, Extra 20 removable beams enable Box Spring surface super flat, much more comfortable and Securer!

✅【 9 INCH HEIGHT】 9 inch Height of box spring fit most lower bed frames and mattresses, and provide more collocation options.

INNOVATIVE BED FOUNDATION: Need support for a king size mattress? Catering to a busy lifestyle, it is the perfect alternative to the standard box spring and it's the last foundation you'll ever need

STURDY METAL CONSTRUCTION: Built to last and designed for durability and longevity, this box spring is constructed of sturdy metal instead of wood. It features a removable fabric cover and rounded corners for added safety

UNIQUE SHIPPABLE DESIGN: The perfect alternative to the standard box spring, it is ready to assemble in the comfort of your home. It features a removable fabric cover and rounded corners for added safety

EFFORTLESS CARRYING: The boxspring easily navigates tight passageways and entranceways by splitting in two. Fits through tiny stairwells or tight hallways with ease and you can enjoy it out too.

DESIGNED TO ENDURE: Designed using a solid hardwood brackets made of light yet sturdy element, thus preventing the sheet from bending over and breaking, therefore maintaining the size and shape of the mattress. Box Spring lays under the Mattress.AND STURDY: made from strong traditional wood structure, made of light yet dense lumber which prevents the box to loosen up and crack and keeps the mattress in perfect shape

ENHANCED SUPPORT: The frame is crafted from deluxe wood cover that's reinforced for extra durability and strength. It allows the platform to be robust and stable, neither shake nor squeak. It's perfect for those who want a no-replacement, maintenance-free and un foldable bedstead.

King Box Spring Sturdy Structure : Durable steel is used to construct the inside framework of this box spring. King size supports a maximum weight capacity of 2000 pounds.

Box Spring King High Profile : 7 inch height spring king is perfect for king size mattresses and provides strong support for all mattress types such as memory foam and latex.

Easy Take Off Box Spring Cover : King size box spring cover design with a elastic drawstring for easy take off for cleaning and assembly.

Increased support: Wooden box springs have a natural ability to absorb weight, which can provide additional support for your mattress and distribute your body weight more evenly. This can help reduce pressure points and provide a more comfortable sleeping surface, while also helping to prevent sagging in your mattress over time.

Enhanced durability: Wooden box springs are typically made from durable and high-quality lumber, which can help extend the life of your mattress by providing a stable base that resists wear and tear.

Improved ventilation: Wooden box springs typically feature slats or a grid design that allows air to circulate beneath the mattress. This can help regulate temperature and reduce moisture build-up, which can improve the longevity and comfort of your mattress.

First quality mattress Amish-Crafted better than the national brands but at affordable prices and shipped right to your door

NEW Improved comfort as we have just replaced our memory foam with GRAPHITE Gel Memory Foam...sleeps cooler, feels better, more natural

Medium Firm comfort with reduced motion transfer lets you sleep deeper, better and longer

EFFORTLESS CARRYING: The boxspring easily navigates tight passageways and entranceways by splitting in two. Fits through tiny stairwells or tight hallways with ease and you can enjoy it out too.

DESIGNED TO ENDURE: Designed using a solid hardwood brackets made of light yet sturdy element, thus preventing the sheet from bending over and breaking, therefore maintaining the size and shape of the mattress. Box Spring lays under the Mattress.

ENHANCED SUPPORT: The frame is crafted from deluxe wood cover that's reinforced for extra durability and strength. It allows the platform to be robust and stable, neither shake nor squeak. It's perfect for those who want a no-replacement, maintenance-free and un foldable bedstead.

Large Easy to use Dial with Light that comes one when heating

This heater works with Softside waterbeds

This heater will keep your softside mattress nice warm in the winter.

Heavy Duty: King bed frame is constructed from sturdy and strong steel that promises operational reliability during regular use.

Noise Free & NON-SLIP: Saying goodbye to ground noise because our bed frame king size includes plastic gasket at the bottom of 9 legs.And non-slip tape to keep mattress from slipping.

Headboard Compatible: Metal king size bed frame slots on frame legs for easy attaching a headboard attachment.Extra hardware for attachment is not included.

Strong Metal Frame: This mattress foundation features a strong metal frame, which ensures the stability and durability of the mattress.

COMPATIBLE WITH DIFFERENT TYPES OF MATTRESSS: This 9 inch tall mattress foundation is suitable for different types of mattresses, including innerspring mattresses, memory foam mattresses, latex mattresses, etc

Quiet and Noiseless:This mattress foundation adopts a silent design, no matter how you move or turn over, it will not make any noise, allowing you to maintain a comfortable sleeping environment

Perfect Wood Box Spring: Box springs perform two basic but important functions. Box springs provide a strong & stable foundation for your mattress, memory foam mattresses, latex, & hybrid cushion and box springs does increase height and elevates the mattress off the floor. We are sure you will love our modern box spring.

Better than Others: Metal box springs last longer, but wooden box springs are lighter in weight and easier to move. Our wooden box springs come in a range of prices but tend to be more expensive than metal models. Metal box springs, while often cheaper, do not work with all mattresses. Our memory foam mattress is strong and durable and is made of solid wood that does not break easily and accommodates all mattress types.

Designed to Endure: The box spring is designed using a solid hardwood bracket made of a light but strong element, it prevents the sheet from bending and tearing and maintains the size and shape of the mattress. It's perfect for your mattress because it's firm and stable, and doesn't move or squeal. It’s perfect for those who want a maintenance-free and foldable bedstead.

STURDY&DURABLE: EZBeds King Box Spring is made with a high-quality steel frame that provides a strong and stable base for your mattress, ensuring a comfortable sleeping experience.

EASY ASSEMBLY:Integrated structure design, easy to assemble. All parts of the king box spring, assembly tools and instructions are included in the package.

EASY TO CLEAN:The Box Spring covered in a soft and durable fabric，features an elastic drawstring that not only protects your mattress from wear and tear，but also makes disassembly and cleaning a breeze.

Modern style: Decorate and hide the spring box to add a modern style. It is an upgrade of traditional/wrap-around bed skirts, specially designed for spring boxes.

Made of smooth and soft elastic fabric, wrapped around the box spring, comfortable and tidy. With elastic properties, it can fit perfectly without worrying about slipping off.

It is easy to put on and comes with a fixing strap. It is firmly fixed in place by a fixing method, and can be adjusted to make it fit tightly with the box-spring bed.

71" W x 83" L x 7.5" H

Easy to assemble instant foundation is a low-cost solution that provides perfect support for today's higher profile mattresses

Strong and sturdy foundation supports today's heavier mattresses including Memory Foam and Latex beds and actually increases the mattress's longevity by preventing sagging