Amazon Basics Smart Box Spring Bed Base, 9-Inch Height Sturdy Mattress Foundation, Strong Metal Support, Tool-Free Easy Assembly, King, 79"L x 75.5"W x 9"H, White
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Availability:
In Stock.
Arrives
Monday, Jun 15
Size: King(79"L x 75.5"W)
Style: 9-Inch Height
Features
- COMFORT AND SUPPORT BOOST: Enhances mattress comfort and stability
- VERSATILE MATTRESS COMPATIBILITY: Supports all mattress types - spring, memory foam, latex and hybrid
- Twin/Twin xl sizes support a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs, single user weight up to 350 lbs
- EASILY SETUP: Tool-free, interlocking design assembles in minutes
- ROBUST DUARABLE STEEL CONSTRUCTION: Durable frame with horizontal slats for strong mattress support
- EASY-CLEAN DESIGN: Removable two-piece zip cover for convenient spot cleaning
- Product Dimension: 79"L x 75.5"W x 9"H (Length x Width x Height)
Description
An Amazon Brand. From the Manufacturer Amazon Basics, this product may originate from [China] or [Vietnam]
Size: King(79"L x 75.5"W)
Material: Metal
Product Dimensions: 79"L x 75.5"W x 9"H
Style: 9-Inch Height
Special Feature: Durable
Other Special Features of the Product: Durable
Included Components: Screw
UPC: 190517873898
Global Trade Identification Number: 98
Manufacturer Part Number: AMZ-9KDBS-K2VN
Model Number: AMZ-9KDBS-K2
Item Type Name: box-springs
Material Type: Metal
Required Assembly: Yes
Assembly Instructions Description: Minimal, tool-free assembly instructions included
Style Name: 9-Inch Height
Color: White
Finish Types: Unfinished
Furniture Finish: Metal
Form Factor: Rectangular
Shape: Rectangular
Compatible With Mattress Size: King
Maximum Weight Recommendation: 700 Pounds
Size: King(79"L x 75.5"W)
Item Dimensions L x W x H: 79"L x 75.5"W x 9"H
Item Weight: 42.24 Pounds
Item Dimensions: 79 x 75.5 x 9 inches
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Jun 15
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Size: King(79"L x 75.5"W)
Style: 5-Inch Height
I have purchased three different box frames in the past, and this Amazon-branded product is miles better than the competition. The superiority of this frame comes down to two main factors: Smart Engineering: The design is practical and highly efficient, making the assembly process simple and straightforward without compromising the structural integrity. Build Quality: The materials and construction make this a definitive 5/5 product. It easily outperforms other models on the market. Well done, Amazon. Highly recommended.
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Reviewed in the United States on June 7, 2026 by craig66
Size: King(79"L x 75.5"W)
Style: 9-Inch Height
Been using this box spring a few months now and it’s great. No complaints at all. Easy to put together. Sturdy and no creaking at all. Bought it for our king bed and we love it.
Reviewed in the United States on May 21, 2026 by Elaina rice
Size: King(79"L x 75.5"W)
Style: 9-Inch Height
Very nice foundation for my king size bed. Assembly was very easy. You don't need any tools because the main part is folded into itself and the remaining parts snap into place. However, I did find that using a rubber mallet was better than the palm of my hand. Fit nicely into my bed frame and my mattress.
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Reviewed in the United States on June 7, 2026 by JoeTAZ
Size: Full(74"L x 53"W)
Style: 7-Inch Height
This was pretty easy to put together. Of course, mt husband put it together in less than 10 minutes without even looking at the instructions (corrections if need be.) The cover that you have to unzip and then wrangle on, did take about another 10 t0 15 minutes. I am pretty impressed with the design and build of the metal framework. There isn't much to mess up putting it together. It seems much easier and looks stronger than the other metal ones that I have tirelessly researched before deciding on this one. It is a tight fit into the metal bed frame, and I hope that helps keep everything even sturdier. I hope that this lasts. We haven't really used this as it's for the guest bedroom. I will update if there are any problems in the future.
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Reviewed in the United States on March 18, 2026 by dinodirt
Size: Twin(74"L x 38"W)
Style: 5-Inch Height
I needed box springs for two twin beds I bought for a vacation rental. I had purchased platform beds but they were way too low. I planned to go to a mattress store and drop $350 for a pair of box springs but found these on Amazon. Much less expensive, no dragging big box springs in and out of my car, and it was SO EASY to put together! Like under 10 minutes each. And they appear very sturdy. I definitely recommend these.
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Reviewed in the United States on June 1, 2026 by H. Johnson
Size: Full(74"L x 53"W)
Style: 5-Inch Height
The easiest thing to put together no tools needed and great quality !!! fits perfect for my full size bed
Reviewed in the United States on May 19, 2026 by samantha
Size: Queen(79"L x 59.5"W)
Style: 5-Inch Height
Came a day before scheduled was very easy to assemble without looking a the directions the cover was of good quality was a tight fit on the metal frame strong zipper that could withstand the tight fit make sure you locate the four handle screws one goes on each end I didn't see them an had to unzip to install them was not problem very happy with my purchase
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Reviewed in the United States on May 19, 2026 by Patrick Fusco
Size: Queen(79"L x 59.5"W)
Style: 7-Inch Height
2 small girls share this bed,. 1 is 120 lbs, the other is 100lbs. We purchased a new mattress and this box support 4 months ago for the existing queen frame in their room. we also were replacing the traditional spring mattress with a hybrid so we changed support style to steel slat box to give firmer coverage to the mattress design as recommended by the mattress mfr. If you look at the 3rd photo in the ad, where the steel frame is being assembled by a hand inserting 1 of the rods, you can catch an inward curve of the side of the outer rails both upper and lower edge. This true on mine as well and ended up becoming the 1st issue. the corners measured fine and went to the proper measurement for our queen base, and sit perfectly square on the bed frame, but the middle on 1 side rolls inward, narrowest was a full centimeter narrower than the corners. This got worse over time and eventually let the box slip off the frame when it began to flex the 2nd or 3rd month we had it in use (after the 30 day return had ended). I eventually remeasured, and yes it had lost several more millimeters from flexing. So I ended up bending the frame of the bed on the side to give additional support. That helped for a couple of months. yesterday, 1 corner of the bed dropped 4 inches or so from the corner to the middle of the bed, the other 3 stayed at height. one of the girls was sitting on that corner putting on her boots and it just suddenly DROPPED she said. I flipped up the mattress and removed the box cover. The upper and lower rails of the frame are pre-made with support ribs every foot or so to give it strength and maintain rigidity. 3 of the bars on the collapsed corner had broken their spot welds, and the cause of this was the premade corner joint metal had flexed and broken and you can see the weld was poor so the corner was weak and eventually gave way. This is not due to excess weight, or kids playing bounce games on the bed. It was used by 2 slender teenage sisters with a total weight of 220 lbs, the frame is rated at over 600. The only reason this happened is the welds could not withstand the on and off application of weight and flexed till they broke. since the corner holds the angle and shape integrity, once it broke the supports ribs then had to absorb the now moving rail spacing and eventually their welds cracked. Steel that is rated over 600lbs needs to be durable enough to hold 220 lbs forever, not measured to not collapse with 600 for 10 seconds and then claim "Hold 600 lbs!". Less than 225 lbs over 4 months bent it more which should not happen even if it started slightly curved, it bent more over time because the weak metal flexed stressing the weld joints till they physically cracked likely 1 at a time. It simply isnt a sturdy or high quality piece. It was curved when it arrived. I addressed that by making the frame cirve to make sure it didnt have a less supported rail on 1 side. The 2 months later the welds cracked on 1 corner. I dont even want to warranty it after seeing how it failed. , I expect the same issues will repeat. I assembled it myself, and noticed the slight curve even when I put it together. but the bed frame still had a grip on the box enough it looked like it wasnt perfect but should manage. I liked the high star rating which is why I bought it. Thousands of purchases. However I am a mechanic by trade, with a welding certification and 30 years experience. I do not want this frame again. It has inherent weaknesses in its construction quality that wont affect it for everyone when new, but will make it fail earlier than needed even if you get a better one than the defective one I apparently got. You get what you pay for. There is a reason this box support is 100 dollars cheaper than many of its competitors.
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Reviewed in the United States on October 8, 2023 by Kelly M. Garvey