Mainstays 7" Queen High Profile Easy Assembly Smart Metal Box Spring
Mainstays 7" Queen High Profile Easy Assembly Smart Metal Box Spring
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Mainstays 7" Queen High Profile Easy Assembly Smart Metal Box Spring

4.5 stars out of 15339 reviews
(4.5)|
15.3K ratings

About this item

Smart summary

Generated by AI

  • Easy Assembly: Sets up in seconds with no tools required
  • Innovative Design: Folds up for convenient storage and transport
  • Ultra-Sturdy Support: Suitable for innerspring, memory foam, or combination mattresses
  • Durable Construction: Made with a powder-coated steel frame for long-lasting use
  • Polyester Cover: Features a 100% polyester jacquard cover to prevent shifting
  • Size Options: Available in Twin, Twin XL, Full, Queen, King, and California King sizes
  • Weight Capacity: Supports up to 600 lbs. for Twin/Twin XL and 1200 lbs. for Full/Queen/King/California King
  • Dimensions: Queen size measures 79" x 59" x 7"H and weighs 39.15 lbs.

Specifications at a glance

Brand
Mainstays
Bed size
Queen
Material
Metal, Polyester, Steel
Condition
New
Box spring type
Mattress Foundation
Max load
1200 lb
$119.00
Price when purchased online
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  • Free 90-day returns
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Comparison Chart:
Bed sizeQueenMainstays 7" Queen High Profile Easy Assembly Smart Metal Box SpringTwinMainstays 5" Twin High Profile Easy Assembly Smart Metal Box SpringQueenMainstays 9" Queen High Profile Easy Assembly Smart Metal Box SpringTwinLutown-Teen 3 Inch Twin Box Spring Low Profile, Heavy Duty Metal Box Spring Twin Bed Base with Fabric Cover, Mattress Foundation, Noise Free, Easy AssemblyTwinBox Spring Twin, 9 Inch High Metal Twin Box Spring Only, Heavy Duty Mattress Foundation with Fabric Cover, Easy Assembly, Quiet Noise Free, Non Slip, BlackQueenZinus 5" WonderBox Smart Box Spring Quick Assembly Mattress Foundation, QueenFullBox Spring Twin 4 Inch, Heavy Duty BoxSpring Twin, Sturdy Box Spring Only, Easy Assembly, Noise FreeKingMainstays 7.5" Half-Fold Metal Box Spring, King
MaterialMetalMainstays 7" Queen High Profile Easy Assembly Smart Metal Box SpringSteelMainstays 5" Twin High Profile Easy Assembly Smart Metal Box SpringSteelMainstays 9" Queen High Profile Easy Assembly Smart Metal Box SpringMetalLutown-Teen 3 Inch Twin Box Spring Low Profile, Heavy Duty Metal Box Spring Twin Bed Base with Fabric Cover, Mattress Foundation, Noise Free, Easy AssemblyMetalBox Spring Twin, 9 Inch High Metal Twin Box Spring Only, Heavy Duty Mattress Foundation with Fabric Cover, Easy Assembly, Quiet Noise Free, Non Slip, Black-Zinus 5" WonderBox Smart Box Spring Quick Assembly Mattress Foundation, QueenMatelBox Spring Twin 4 Inch, Heavy Duty BoxSpring Twin, Sturdy Box Spring Only, Easy Assembly, Noise FreeSteelMainstays 7.5" Half-Fold Metal Box Spring, King
ConditionNewMainstays 7" Queen High Profile Easy Assembly Smart Metal Box SpringNewMainstays 5" Twin High Profile Easy Assembly Smart Metal Box SpringNewMainstays 9" Queen High Profile Easy Assembly Smart Metal Box SpringNewLutown-Teen 3 Inch Twin Box Spring Low Profile, Heavy Duty Metal Box Spring Twin Bed Base with Fabric Cover, Mattress Foundation, Noise Free, Easy Assembly-Box Spring Twin, 9 Inch High Metal Twin Box Spring Only, Heavy Duty Mattress Foundation with Fabric Cover, Easy Assembly, Quiet Noise Free, Non Slip, BlackNewZinus 5" WonderBox Smart Box Spring Quick Assembly Mattress Foundation, QueenNewBox Spring Twin 4 Inch, Heavy Duty BoxSpring Twin, Sturdy Box Spring Only, Easy Assembly, Noise FreeNewMainstays 7.5" Half-Fold Metal Box Spring, King
Box spring typeMattress FoundationMainstays 7" Queen High Profile Easy Assembly Smart Metal Box SpringMattress FoundationMainstays 5" Twin High Profile Easy Assembly Smart Metal Box SpringStandard Box SpringMainstays 9" Queen High Profile Easy Assembly Smart Metal Box SpringMattress FoundationLutown-Teen 3 Inch Twin Box Spring Low Profile, Heavy Duty Metal Box Spring Twin Bed Base with Fabric Cover, Mattress Foundation, Noise Free, Easy AssemblyMattress FoundationBox Spring Twin, 9 Inch High Metal Twin Box Spring Only, Heavy Duty Mattress Foundation with Fabric Cover, Easy Assembly, Quiet Noise Free, Non Slip, BlackMattress FoundationZinus 5" WonderBox Smart Box Spring Quick Assembly Mattress Foundation, Queen-Box Spring Twin 4 Inch, Heavy Duty BoxSpring Twin, Sturdy Box Spring Only, Easy Assembly, Noise FreeSplit Box SpringMainstays 7.5" Half-Fold Metal Box Spring, King
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4.5 out of 5 stars
stars15.3K ratings7,755 reviews
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Showing 1-3 of 7,755 reviews
Mar 6, 2025
Cricket
Item details
Bed size: Twin
5 out of 5 stars review
Verified Purchase
It's a little early to tell how the quality is and whether it holds up or not but it sure seems sturdy and for the price I paid, I'm impressed. I really appreciated the ease of assembly. No millions of tiny screws to tighten into place. Just unfold and place the bars on top. Very simple. Holds me well so far and I'm a bigger gal so I very much appreciate how secure it feels and how there is no squeaking. Does what I need it to do, arrived quickly, instant set up/ easy assembly and the cover fit and was easy to zip up. Wish I would have known about this before I spent hundreds on one at the mattress store then didn't even make it a year.
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Feb 16, 2025
anonymous
Item details
Bed size: Full
5 out of 5 stars review
Verified Purchase

Super easy assembly!

Bought this spring mattress box to replace an old high spring box from my guest bedroom. I loved it so much that I'm buying another one for my bedroom. This spring mattress box is sturdy, perfect height and it only took about 20 minutes to assemble it without tools.
Helpful?
Oct 8, 2024
Libby
Item details
Bed size: Queen
5 out of 5 stars review
Verified Purchase

No man needed

I was so excited to receive this no tools needed box spring. The assembly was done in less than five minutes. I was so pleased with the easy assembly with the lock in place pieces. I would definitely recommend this product if you're looking for fast and convenient.
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