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King Mattress 12 Inch Hybrid Medium Firm Mattress in a Box with Memory Foam & Pocket Springs for Motion Isolation & Edge Support Fiberglass Free Breathable Cover for Cool Sleep Back Pain Relief

  • Based on 141 reviews
Condition: New
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$223.99 Why this price?
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Availability: 20 left in stock
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Arrives Saturday, Mar 7
Order within 13 hours and 24 minutes
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Size: 12 inch King Medium Firm


Features

  • MULTI-LAYER DESIGN: Features 10 specialized layers including gel memory foam, nano-sponge technology, and steel bag springs for optimal comfort and support
  • COMFORT LEVEL: Medium firmness mattress with balanced support, ideal for all sleeping positions while providing excellent pressure relief
  • TEMPERATURE REGULATION: Advanced breathable knitted fabric cover and grooved design creates superior airflow throughout the mattress
  • MOTION ISOLATION: Steel bag spring system combined with memory foam layers helps minimize motion transfer between sleep partners
  • EDGE SUPPORT: High-density support foam and solid foundation provide enhanced edge support, preventing sagging and extending the usable sleep surface

Brand: Ninare


Size: 12 inch King Medium Firm


Product Dimensions: 80"L x 76"W x 12"Th


Item Weight: 52 Pounds


Item Firmness Description: Medium Firm


Top Style: Plush Top


Cover Material: Knitted Fabric


Number of Layers: 8


Fill Material: Memory Foam


Weight Limit: 500 Pounds


Product Dimensions: 80 x 76 x 12 inches


Item Weight: 52 pounds


Manufacturer: Ninare


Item model number: King Mattress 12 Inch


Date First Available: November 8, 2024


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Mar 7

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
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • It’s an amazing comfortable mattress
Size: 12 inch Queen Medium Firm
This Mattress is worth every penny because so comfortable I have better sleep as well 👍
Reviewed in the United States on December 20, 2025 by Hugo Salcedo

  • Very nice!!
Size: 12 inch King Medium Firm
Very very comfy!! Slept like a baby last night!!! Doggo thought so too!!
Reviewed in the United States on December 7, 2025 by Chloe M. Chloe M.

  • Cuddle soft, great sleep, exceptional price point
Size: 12 inch King Medium Firm
Best night's sleep I've had in years ! For the price this thing has saved my life, there was no way I could have afforded a $2,000 mattress this did the job and did not kill my bank account! No smell the softness was very important to me!
Reviewed in the United States on December 30, 2025 by Lucrecia Leis

  • It’s like a hug!
Size: 12 inch Queen Medium Firm
The mattress is perfect for what we needed. Very comfortable like a hug.
Reviewed in the United States on December 26, 2025 by Catherine Ryder

  • Satisfied for the cost
Size: 12 inch Queen Medium Firm
Surprisingly firm! Good quality
Reviewed in the United States on December 6, 2025 by Marilyn Edwards

  • Buy this!!
Size: 12 inch Queen Medium Firm
This bed is so comfortable, the best sleep I’ve had.
Reviewed in the United States on December 23, 2025 by Tnaija

  • Great buy
Size: 12 inch Queen Medium Firm
Inexpensive. Great quality! If you're starting over and don't have anything, this is a great buy. You'll get a great night's sleep and there's a step in the right direction till you get what you actually want. I got this along with one of the bed frames so I spent under $200 for the mattress and the bed frame. Great deal great value! ... show more
Reviewed in the United States on December 25, 2025 by Niya Barron

  • Decent mattress, just lacks edge support
Size: 12 inch King Medium Firm
Didn’t arrive on time, delivery date was pushed back almost a full week from when it was supposed to be delivered. Otherwise it’s decent for the price. The mattress has no edge support so it’s really soft on the edges, firmer in the middle. It is pretty comfortable but I’ll be investing in a mattress topper just for more comfort. The mattress doesn’t pop open suddenly like some mattresses in a box, as long as you unroll it in the plastic it should be good, so it was pretty easy to unbox and get it to inflate. I bought a 12inch and I believe it is the correct thickness without measuring. It is heavy, as expected for a king size mattress, as a woman that’s not exceptionally strong, I could not bring it up the stairs alone. Overall, I’m somewhat satisfied given the price I paid. ... show more
Reviewed in the United States on December 12, 2025 by Kiara Johnson

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