Onlylucky Firm King Mattress 12 Inch, Luxury Hotel Level King Size Mattress in a Box with Gel Memory Foam & Individual Pocket Springs, Upgraded Strong Edge Support, Fiberglass-Free
Condition: New
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$45.00
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- – 6-month term
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Learn more about financing & leasing here.
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This item is eligible for return within 30 days of receipt
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Aug 11 – Aug 12
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Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Aug 11 – Aug 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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
- Klarna Financing
- Affirm Pay in 4
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- Zip Pay in 4
- Financing through Apple Pay
- Financing through Google Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
If I could 10 star this I would this the best purchase I ever made in my life mattress wise the descriptions the videos gave exactly what the mattress is when I say comfortable I mean COMFORTABLE!!! I slept like a true queen last night the price is more than worth it easy to set up the firmness on this thing I need sumbody to review me in person cause what!!?? I 10000000000% recommend don’t even look any further just press place order now!!! You won’t regret it trust!
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Reviewed in the United States on March 19, 2026 by Nordia Duncan
Amazing! As someone with back problems this bed works wonders especially for the price! It is firm as stated so if you are someone that likes a little cushion I suggest going for medium firm. Great quality and looks exactly like the pictures.
Reviewed in the United States on April 18, 2026 by Czerina
I have only had this mattress for a few months is why I gave it 4 stars. I love it so far. I need a firm mattress and this one is actually firm, it took no time to fill out after opening. Great price and worth every penny spent. I sleep through the night and get up well rested. I have had back and neck surgeries and this is the best mattress I have found for me.
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Reviewed in the United States on April 13, 2026 by Amber Spencer
Perfect firmness with edge support. Love this mattress
Reviewed in the United States on April 25, 2026 by Rosanne Fraser
Really nice!!! The box is heavy so really needed two people but I managed getting in by myself. The mattress is really nice and thick. Be careful.opening it because it pops out very fast into a full sized mattress. It knocked me over. We'll worth it and would buy again.
Reviewed in the United States on May 14, 2026 by sleepy
Style: 12 Inch
Size: Twin
This mattress is not firm as described. Unpacked the item and waited for 72 hours. The mattress is very plushy and soft. The mattress pushed in like there is no spring support at all, especially on all 4 sides. Now I have trouble with repack and return.
Reviewed in the United States on May 27, 2026 by Wei Le
Comfortable
Reviewed in the United States on May 21, 2026 by Eriena t
First time buying a mattress in a box. Not going to lie I was very apprehensive. Great quality for the price. Arrived on time. Was very easy to open and inflate. Be careful when cutting plastic so you don’t puncture the fabric. Easy to set up. So surprised with the support.
Reviewed in the United States on April 28, 2026 by Jennifer G