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Superay

Superay King Box Spring, 10 inch Metal Bed Base with Fabric Cover

  • Based on 722 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Wednesday, Oct 28
Order within 19 hours and 34 minutes
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Color: 10 Inch


Size: King


Features

  • Sturdy Construction: This King size box spring features a heavy duty metal frame and reinforced steel construction. Whether you're using it on your own or sharing it with a partner, it can support up to 3000 lbs, ensuring that your mattress stays in great condition.
  • Fit Different Needs: With a height of 10 inches, this low-profile box spring offers the perfect balance of comfort and convenience. It's ideal for taller mattresses or for those who prefer a lower bed. It can be used with different types of mattresses, including innerspring, memory foam, and latex, or placed directly on the floor.
  • Quiet and Comfortable: Enjoy uninterrupted and peaceful nights with our noiseless design. No matter how much you move around, this king size box spring remains completely silent, creating a restful sleep environment. Wake up feeling refreshed and ready to tackle the day!
  • Easy to Clean Cover: The high-quality fabric cover is breathable, shrink-proof, and wrinkle-resistant. It is equipped with an elastic band and Velcro to securely attach it to the bottom of the bed frame, keeping your sleeping environment clean and tidy.
  • Easy Assembly: Designed with user convenience in mind, Superay box spring is easy to assemble. All parts, tools, and instructions are packed into one compact box. With integrated construction, it can be assembled in fewer time.

Description

Twin Frame for Box Spring Full Frame for Box Spring Queen / King Frame Style Heavy Duty Metal Bed Base Style Heavy Duty Metal Bed Base Style Heavy Duty Metal Bed Base Maximum Weight 3000 lbs Maximum Weight 3000 lbs Maximum Weight 3000 lbs Size Twin: 74.5"L x 38"W x 8"H Size Full: 74.5"L x 53.4"W x 8"H Size Queen: 79.5"L x 59.5"W x 8"H Headboard Compatible 2 mounting holes Headboard Compatible 2 mounting holes Headboard Compatible 2 mounting holes For all sold in "Used": If any accessories be missing or damaged upon delivery, kindly reach out to the seller promptly to resolve the issue. This is usually caused by poorly fitted parts or loose screws. Please check and fasten all connections and screws first. If the noise still exists after troubleshooting, please contact the seller for help. If any defects or faults be found with the merchandise upon delivery, kindly get in touch with the seller immediately to obtain new replacement accessories.

Size: King


Material: Metal


Product Dimensions: 78.8"L x 75.5"W x 10"H


Style: Modern


Special Feature: Squeak Resistant


Other Special Features of the Product: Squeak Resistant


Included Components: Fabric Cover, Installation Manual, Slat


Brand Name: Superay


Unit Count: 1 Count


Manufacturer: Superay


Number of Packs: 1


Item Highlight: Heavy Duty Metal Mattress Foundation 3000lbs Capacity, High Profile, Rounded Corner, Noise Free, Easy Assembly, Black


Item Type Name: Box Spring


Model Number: SUP-MT23


Manufacturer Part Number: SUP-MT23


Set Name: King


Material Type: Metal


Product Care Instructions: Wipe with Dry Cloth


Style Name: Modern


Color: 10 Inch


Finish Types: Powder Coated


Furniture Finish: Metal


Form Factor: Metal


Shape: Rectangular


Compatible With Mattress Size: King


Maximum Weight Recommendation: 3000 pounds


Size: King


Item Dimensions L x W x H: 78.8"L x 75.5"W x 10"H


Ground To Item Distance: 10 inches


Item Depth: 54 inches


Item Dimensions: 78.8 x 75.5 x 10 inches


Assembly Instructions Description: Included


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Oct 28

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Great so far
Color: 10 Inch Size: Full
5 stars so far. The bed is sturdy so far. Took me about 1 hour to put it together by myself. Instructions were clear and easy to put together. Most time consuming thing was screwing the bolts all the way in place.
Reviewed in the United States on August 27, 2026 by Remy
    • Mattress lifting problem solved!
Color: 2 Inch Size: Queen
I love this! I have an oak platform bed with drawers underneath and changing sheets was painful because it was very difficult to lift the mattress. The 2” box spring was easy to assemble, very durable, not overly heavy. Changing sheets is a breeze now!
Reviewed in the United States on August 28, 2026 by Kindle Customer
    • No Mount Everest to Climb Anymore Just a Hole to Climb Out Of
Color: 2 Inch Size: Full
So easy to put together, but honestly had someone do it who had done it previously. Well made, what a difference when setting it back on an antique brass bed on top of angle iron (got heavy duty pool noodles to cushion it and zip tied them on), so no slippage. Mattress is now at a decent height. BUT AFTER A WEEK THERE IS A BIG DIP IN THE CENTER! No way that stands up to even 900lbs., claims 3,000lbs. Had to fix it with a 4" x 4" block of wood cut to lift up the center, put felt on the bottom to not scratch the oak floor. ONE MUST PUT IN A HOMEMADE SUPPORT IN THE CENTER. It is only a double, for a queen or larger, consider two. NOT WHAT I EXPECTED. ... show more
Reviewed in the United States on April 7, 2026 by Donna B.
    • Sturdy and easy to put together
Color: 2 Inch Size: King
Very sturdy and cut actually gave our bed unexpected stability and a great addition to our new mattress on the original slats to the bed. Very pleased.
Reviewed in the United States on July 20, 2026 by Thomas Fam
    • The parts fit and it's easy to assemble
Color: 10 Inch Size: King
Review Image by Tommy D
Hardware: Excellent. This manufacturer has a clever way of guaranteeing they ship the right hardware. They blister-pack the hardware and specifically label the extra parts. If you are missing a part, you caused the problem. Tools: Poor. The manufacturer includes 2 sad, disposable wrenches and no hex wrench. If you have a miniature, metric socket set, I believe you could fly through the installation. Assembly: Excellent. After I assembled the center cross, I was free to assemble this in any order. If you have some room, assembling this away from the bed would speed the process. My space is limited, so I assembled this box/foundation/platform inside the confines of our bed frame and that was manageable. Tightening the nuts takes far longer than assembling the sections. Sturdiness: Good. All holes lined up properly as did the threads of the integrated nuts. The welds seem complete and placed correctly. The manufacturer does not use lock washers and nuts; instead, they apply thread-locker to the bolts. I do not know about the durability of this solution yet. The entire product is made of light, square tubing. It feels like you could break every part of it over your knee, but the structure becomes strong when you combine the parts during assembly. Rating: I give this a 4 because nothing strikes me exceptional about the product. When I opened the box, I found half the zip ties severed, but all parts were present. Someone adhered the Velcro for the cover onto the sections, which was odd because the directions indicated I would have to perform that step myself. ... show more
Reviewed in the United States on December 21, 2025 by Tommy D
    • Nice Box Spring
Color: 5 Inch Size: Queen
Review Image by Bob Carter
Review Image by Bob Carter
Review Image by Bob Carter
Review Image by Bob Carter
Review Image by Bob Carter
The iron used in the construction of this box spring is very well made. The instructions on how to assemble the box spring came with the package. The rails were marked with labels for ease of assembly. The print on the instructions could have been darker to make them more legible but if you look closely, you can see the letters of the parts at each step. In the photos, you can see the letters. The assembly of the center cross was the most difficult, which is why I took a picture of it. When complete the box looks good but move it by holding the outer perimeter. I used a battery powered drill and socket wrench to make the installation go faster. The cover fits over the top. The bottom is not covered. It took me about 2 hours to assemble. ... show more
Reviewed in the United States on November 24, 2025 by Bob Carter
    • Excellent quality and super easy to assemble
Color: 2 Inch Size: Full
Arrived in great condition. Assembly instructions were very clearly illustrated and the Individual pieces were clearly marked. The frame fit very well and seemed well-built and durable. Have had no issues with the frame bending or making any noise. Very satisfied with a very reasonable priced purchase. ... show more
Reviewed in the United States on February 19, 2026 by Steve Thomas
    • Cost-efficient alternative to a boxer
Color: 2 Inch Size: Queen
I was very surprised by its good quality. Thick, highly sturdy material and the assembly tools were included. Easy to assemble. Does its job perfectly. It saves you a lot of money because it makes it unnecessary for you to buy a boxer, which costs over $400. This thing supports and protects the mattress! Amazing ... show more
Reviewed in the United States on February 1, 2026 by Amazon Customer

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