Onlylucky Full Size Mattress, 12 Inch Full Size Memory Foam Mattress with Individually Pocket Springs for Back Pain Relief, Spinal Alignment, Medium Firm, Strong Edge Support, CertiPUR-US
Condition: New
$209.99
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Returnable until Jan 31, 2026
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.
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Availability:
In Stock.
Arrives
Wednesday, Nov 4
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At a glance
- Condition
- New
- Size
- Full
- Style
- 12 in - Medium Firm
- Model
- 12 in Full Mattress
- Dimensions
- 75"L x 54"W x 12"Th
- Weight
- 60.9 lb
- Color
- Grey
Features 6
- Luxurious Comfort for Sleep: The Onlylucky 12 inch full mattress is constructed with innovative materials, featuring three layers of functional foam and individually pocketed coils system. The synergistic combination of gel memory foam and pressure relief foam effectively distributes body pressure while conforming to body contours, seamlessly adapting to diverse sleepers. As you sink deeper into the twin size mattress, the high density foam dynamically increases its support density, delivering an exclusive comfort experience.
- Advanced Cooling Technology: The Onlylucky full size memory foam mattress is made with finely woven, breathable fabric that allows air to flow freely, effectively dissipating steam and sweat from the surface to keep your body comfortable and dry all night long. Additionally, the increased foam content with egg-crate foam structure significantly improves internal airflow, preventing heat accumulation and ensuring you stay cool throughout the night.
- 7 Zoned Ergonomic Design: Crafted with ergonomic precision, our OnlyLucky full bed mattress features 7 distinct sleep zones that intuitively cradle your body's natural contours. This intelligent design distributes weight with perfect equilibrium, melting away pressure points while gently aligning your spine into its optimal position. Sleep that feels effortlessly supportive, leaving you waking refreshed, free from aches, and truly recharged.
- Zero Motion Transfer & Undisturbed Sleep: The Onlylucky mattress full size integrates an advanced pocketed coil system with hundreds of individually wrapped springs to prevent tangling. This design achieves zero motion transfer, ensuring undisturbed sleep whether sleeping alone or with a partner. The reinforced edge support maintains stability even when you sit or sleep near the edge, so you dont have to worry about rolling off.
- Enhanced Comfort and Safety: Onlylucky full size mattress is crafted with skin-friendly and fiberglass-free materials. All memory foam is CertiPUR-US certified, ensuring a healthy, luxurious sleep space. Enjoy a 365-night trial to test its balanced blend of support and cushioning, with no odor. It's the ideal pick for rest that feels both cozy and secure.
- Full Size Mattress in a Box: Our mattresses come in a box conveniently vacuum-sealed for effortless transportation and setup. After unboxing, please allow 2472 hours for the mattress to fully revert to its original shape. We also offer customer service and a tailored satisfaction guarantee, ensuring a seamless, satisfying experience from purchase to daily use.
Specs 14
| Brand | Onlylucky |
|---|---|
| Size | Full |
| Product Dimensions | 75"L x 54"W x 12"Th |
| Top Style | Euro Top |
| Cover Material | Exquisitely Soft & Breathable Fabric |
| Number of Layers | 3 |
| Fill Material | Gel Memory Foam, High Density Foam, Memory Foam |
| Weight Limit | 500 Pounds |
| Special Feature | Breathable, Fire Retardant, Low Motion Transfer, Orthopedic, Pressure Relief |
| Color | Grey |
| Item Weight | 60.9 pounds |
| Manufacturer | Onlylucky |
| Item model number | 12 Inch Full Mattress |
| Age Range Description | ALL |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Nov 4
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.
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Top Amazon Reviews
Great bed for people looking for a firm mattress
Size: Queen
Style: 14 Inch - Firm
The media could not be loaded. I needed a new mattress and saw the reviews that this one stated that it was firm. I need it a firm bed and this did not disappoint exclamation first of all I am glad that I added the hallway service. My old mattress was removed and the new one was unwrapped and placed in my bedroom. They were able to place it exactly where it needed to go. Even though it came in a box it was quite heavy. It expanded immediately but by the third day it was extra full. I have had no back pains and have slept through the night since day one. This is a great purchase and it was reasonably priced. The mattress had no type of smell and it is very comfortable even though it is firm. I was unsure if it would expand to the full length but it has to wear my sheets don't even fit. I am very satisfied with this purchase
...
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Reviewed in the United States on November 8, 2025 by Mz.P.Will Mz.P.Will
Colchón
Size: Full
Style: 12 Inch - Medium Firm
Muy buena calidad y comforte
Reviewed in the United States on November 12, 2025 by Jenny
Good quality
Size: Queen
Style: 14 Inch - Firm
Excellent product
Reviewed in the United States on November 13, 2025 by roger d.
Muy cómodo
Size: Queen
Style: 14 Inch - Firm
Increíblemente cómodo ,la firmesa y a la vez la manera de acomodar tu cuerpo es genial . Perfecto para los dolores de espalda y músculos
Reviewed in the United States on October 26, 2025 by Laydee
It doesn't feel like a memory foam mattress.
Size: California King
Style: 14 Inch - Medium Firm
If you are a memory foam die hard, this mattress is not for you. I have been sleeping on memory foam since 2006 and this does not feel like a memory foam. I can hear the springs every time o move in bed. I don't feel them, but I do hear them. My first night on the bed, after only letting it cure for around 6 hours, it was extremely bouncy. After 24hrs, it is barely bouncy. A week later, it still has a minimal bounce, it is quite firm. I am missing the memory foam feel too much, so I am sending this back.
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Reviewed in the United States on November 9, 2025 by Pam Poovey
SLEEP WELL!!!!
Size: Queen
Style: 14 Inch - Firm
VERY COMFORTABLE!!!!
Reviewed in the United States on November 8, 2025 by Charles Coleman
Lo volvería a comprar
Size: Queen
Style: 14 Inch - Firm
Super buena calidad y muyyy rico para dormir .
Reviewed in the United States on November 1, 2025 by El producto llego destapado todo botado
Value for the price.
Size: Queen
Style: 14 Inch - Firm
Very comfortable. Be careful when you open it up.
Reviewed in the United States on October 24, 2025 by Jill K.