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Zinus

ZINUS No Assembly Metal Box Spring / 9 Inch White Mattress Foundation / Sturdy Metal Structure, Split King, Off-white

    • Based on 3,623 reviews
Condition: New
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$269.99 Why this price?

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Availability: In Stock.
Fulfilled by Amazon
Arrives Sunday, May 12
Order within 17 hours and 44 minutes
Available payment plans shown during checkout

Size: Split King


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.

Size: Split King


Product Dimensions: 79"L x 75.5"W x 9"H


Special Feature: Durable


Color: Off-white


Finish Type: Painted


Size: Split King


Product Dimensions: 79"L x 75.5"W x 9"H


Special Feature: Durable


Color: Off-white


Finish Type: Painted


Included Components: Box Spring, Bed Frame, Instruction Manual


Brand: Zinus


Furniture Finish: White


Product Care Instructions: Spot Clean Only


Assembly Required: Yes


Item Weight: 56.9 pounds


Manufacturer: Zinus - DROPSHIP


Country of Origin: China


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


Is Discontinued By Manufacturer: No


Fabric Type: Sturdy Steel Frame With Poly Jacquard Cover


Finish types: Painted


Warranty Description: 5-year warranty.


Batteries required: No


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, May 12

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.

  • Klarna Financing
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  • Affirm Financing
  • PayTomorrow Financing
  • Apple Pay Later
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • second time purchasing
Size: Full
this is is my second time purchasing this. very easy to set up. especially if you’re a single mom or moving out on your own. light weight and sturdy.
Reviewed in the United States on December 17, 2023 by Leann
    • Absolutely Love This!
Size: Split Queen
I've had this for a more than a month. It was easy to set up, easy for one person to maneuver (me!) and it will be easy to break down when I love. You simply fold it out and that's it! I have a memory foam mattress (the ones that come in a box) and it fit perfectly with my Queen mattress. My old box spring was made with wood which broke down after only a year of having it and make my bed unbalanced. I've never liked the wooden box springs (the traditional, affordable ones) so this is a great upgrade for me. ... show more
Reviewed in the United States on November 28, 2023 by Jane
    • Fantastic quality
Size: Split Queen
I highly recommend this boxspring. I got the split queen and it is amazing. It's convenient, durable and was so easy to use. No tools required. Just open box and unfold the boxspring.
Reviewed in the United States on January 14, 2024 by Kristine S.
    • Best Box Spring ever purchased
Size: Split Queen
Everything about this box spring is great. I was looking for a box spring that came in 2 pieces for a queen bed I was gifting to a family. There was no way a traditional single queen box spring was going to fit down their basement stairs with the sharp turn and low ceiling. I knew that king beds used 2 twin size box springs (it's what we have), but had no idea you could get 2 box springs for a queen bed. But to find this set that actually folds! Wow. It's sturdy, great quality, great strength. This thing is the greatest thing since sliced bread. You will not go wrong with this purchase. Buy it. You won't regret it. Maneuverable through any doorways and stairs. ... show more
Reviewed in the United States on December 24, 2023 by Frugal Shopper
    • Easy to set up twin box spring, compact storage
Size: Twin
Ordered this box spring to increase height of twin folding bed frame and mattress as it was too low to the floor for my senior mother to get in and off of it. Came quicker than promised and was in such a small package it was hard to believe it would unfold into a twin size box spring. Set up was very easy and quick and provides solid support on the folding frame with twin mattress put on top. Would not hesitate to purchase again. ... show more
Reviewed in the United States on November 22, 2023 by T&T Mom
    • Sturdy, Convenient, and Reasonably Priced Box Springs
Size: Split King
Review Image by ~*~ Sunshine ~*~ ~*~ Sunshine ~*~
I ordered this bifold box spring because we have a long flight of stairs to an upstairs bedroom. It was a perfect decision to make to ease the complications of navigating one corner and moving them up the stairs and into the bedroom. We had had a horrible experience in the past trying to get a queen size box spring down a stairwell. We can be taught! Ha! I would like to shake the hand of the designer of these! The whole set weighs 63 pounds so one box spring was an easy lift. We unfolded them when in the room, zipped the cover up to close them and set them on the frame we'd already assembled. We had to place the sides into the frame and then push down to get them to fit but they did and are now great mattress support! What an easy way to move a bed! We then brought the Sleep Master King mattress up and released it on top to "inflate". Presto! In a few hours, we had a lovely, comfortable king size bed! After so many instances of fighting non-folding box springs and huge, clumsy, mattresses around whenever we wanted to move or change bedrooms around, I very much appreciated the ease of this set-up. The box springs are sturdy, attractive, and super-easy to set up. I will update my review as time passes and if I have more information to add. Recommend! ... show more
Reviewed in the United States on August 29, 2016 by ~*~ Sunshine ~*~ ~*~ Sunshine ~*~
    • Save the hassle! Awesome
Size: Split Cal King
I have a California King and was dreading getting the box springs. Arrived today, service was fantastic and couldn't be happier. Later, took to the bedroom and unpacked. Fairly light, unfolded in a jiffy, and was ready for the mattress within 10 minutes. Engenious! Thank you!
Reviewed in the United States on December 16, 2023 by Linn Becker
    • easy Boxspring
Size: Twin
I am very pleased with this twin box spring, took it out of the box, put the zippered cover on it, just unfold it and just like that it is a wonderful new box spring.
Reviewed in the United States on December 19, 2023 by Denise Crowell

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