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ZINUS 9 Inch Box Spring with Cover, No Assembly Mattress Foundation, Sturdy Metal Structure, Split Queen, White

  • Based on 3,900 reviews
Condition: New
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This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026

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Availability: In Stock.
Fulfilled by Amazon

Arrives Thursday, Dec 25
Order within 8 hours and 58 minutes
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Size: Queen


Features

  • Sturdy Steel Frame With Poly Jacquard Cover
  • 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
  • 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

Description

Believe it or not, we’ve made the box spring more functional, more durable, and dare we even say, fun! Our No Assembly Box Spring is not your average foundation. Its folding design not only makes set-up insanely easy, but it also comes in handy on moving day, maneuvering easily in and around tight hallways and corners. What’s more, it features a structure made of thick and durable steel, meaning that frames and mattresses may come and go, but this box spring will be with you for the long haul. Once unboxed, this brilliant foundation practically assembles itself by taking shape once unfolded. Essentially, deciding where to place the bed will take longer than setting up this box spring. Backed by both our 5-year worry free warranty and hundreds of positive customer reviews, this box spring is about as easy as decisions get.

Brand: Zinus


Size: Queen


Product Dimensions: 79"L x 59.5"W x 9"Th


Top Style: Tight Top


Cover Material: Poly Jacquard


Fill Material: Steel


Weight Limit: 700 Pounds


Special Feature: Foldable


Color: White


Coil Type: Bonnell Coil


Product Dimensions: 79 x 59.5 x 9 inches


Item Weight: 48.8 pounds


Manufacturer: Zinus - DROPSHIP


Item model number: SM-SC-BIFD-9Q


Is Discontinued By Manufacturer: No


Thickness: 9 Inches


Fabric Type: Sturdy Steel Frame With Poly Jacquard Cover


Refill: Steel


Maximum recommended load: 7E+2 Pounds


Finish types: Painted


Care instructions: Spot Clean Only


Assembly required: Yes


Warranty Description: 5-year warranty.


Batteries required: No


Included Components: Assembly Instructions, Hardware


Age Range Description: Adult


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Dec 25

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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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Love it!
Size: Queen
Very good quality and easy set up! We love the fact it folded so it was a breeze to get upstairs ! I would definitely buy this product again!
Reviewed in the United States on August 4, 2025 by Harllee

  • One year owner
Size: Queen
Had an issue getting a full size box spring through our house; these solved the problem! They are super lightweight and easy to move, easy to setup and come super compact. No issues after one year of use; recently moved our bed and they still looked brand new!
Reviewed in the United States on August 14, 2025 by Daniel G

  • Buy This!
Size: Queen
Awesome product and so easy to unpack and install. 100% satisfied.
Reviewed in the United States on October 9, 2025 by Holly Michele Canter

  • Sturdy and Well Built
Size: Split King
I originally bought a 'Used-Like New' version but sent it back because our versions of 'Like New' didn't align. The box springs were dirty and both frames were badly bent as if a forklift ran into in thewarehouse. But even in their bent state, I could see these box springs were very sturdy and well made. More solid than my old wooden box springs and easier to manage when folded. So once they were returned, it was a very easy decision to repurchase them brand new. ... show more
Reviewed in the United States on September 20, 2025 by M. Downey

  • Does NOT ship via Prime - Full Size is VERY durable!
Size: Full
I needed to get a full size box spring shipped to my daughter at school. She was moving into a new apartment for summer classes and the clock was working against us. PLEASE NOTE: Despite this being sold and shipped by Amazon and it saying on the page that it is "eligible for Prime after processing", it is NOT. It will NOT ship via Prime. It is drop shipped from California. You can do the math on how many days it takes to arrive. Typically, it takes 5 business days to go across country, plus an additional 1-2 days of processing time. If you have time constraints, this is not for you. Despite the delay in arrival, we were quite pleased with the box spring. It was easy enough for my college age daughter to transport from the package pick up point (she has a Jetta!) and set up by herself in her 2nd floor apartment. It gets 5 stars for simplicity alone. Sturdy and durable so far. There is no sagging and it supports a high quality 14" full size mattress with ease. Price point is fair considering it is easy to transport, shipped to your door and durable. UPDATE: Over a year later and yes, we are still very pleased. This box spring has survived college life and has traveled home for the summer. My daughter actually requested it be swapped out for the one we have here at home for her so she could enjoy it while at home this summer. ... show more
Reviewed in the United States on May 12, 2015 by Olivia

  • Easy assembly
Size: Full
I like the size
Reviewed in the United States on December 10, 2024 by Eva

  • Easy Peasy
Size: Queen
SO ridiculously easy to put together. And holds the mattress great. A fabulous product!
Reviewed in the United States on June 7, 2025 by Trish L

  • Great product . Works well
Size: Full
First , I must say the company has the best customer support. I spoke with Neil prior to receiving my box spring and he put all my worries to ease. This is truly a remarkable box spring. The support of it is wonderful, Firm ,and well constructed. Needed a box spring for a duplex with narrow stairs . It worked. After several days of trying to get a regular box spring up the stairs , even wouldn't fit through the window, this was a piece a of cake ... show more
Reviewed in the United States on November 29, 2024 by Winstonsmom

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