Avenco King Size Mattress 12 Inch in a Box, Medium Plush King Mattresses with Pocket Spring Smarts Coil Hybrid Colchones for Pressure Relief, CertiPUR-US Certified
Condition: New
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90-day refund / replacement
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
Sunday, Mar 22
Size: King (U.S. Standard)
Style: 12 Inch
Features
- Strong Support with SmartS Coil Mattress with SmartS Coil springs adapts to your body, promotes spinal alignment, eases pressure points, and delivers reliable comfort for all sleep positions.
- Plush Euro Top Comfort Hybrid mattress with Euro Top design combines sturdy support and soft cushioning for a cloud-like feel, offering the perfect balance of comfort and firmness for deeper sleep.
- Cool & Breathable Cover AirBreeze fabric promotes airflow, regulates temperature, and creates a breathable, hypoallergenic surface, keeping you cool, dry, and fresh throughout the night.
- Reinforced Edge Support Strong edge support prevents sagging, offers stable seating, and maximizes usable sleep space. Ideal for couples or individuals who need the full surface without roll-off.
- Easy Setup & 100-Night Trial Mattress arrives vacuum-packed in a compact box for easy setup. Simply unbox, allow 4872 hours to fully expand, and enjoy a risk-free 100-night trial at home.
Brand: Avenco
Size: King (U.S. Standard)
Product Dimensions: 80"L x 76"W x 12"Th
Item Weight: 66 Pounds
Item Firmness Description: Medium Plush
Top Style: Euro Top
Cover Material: AirBreeze Fabric
Number of Layers: 2
Fill Material: Foam, Spring
Special Feature: Breathable, Durable, Hypoallergenic, Pressure Relief
Item Weight: 66 pounds
Product Dimensions: 80 x 76 x 12 inches
Item model number: B-M02905
Date First Available: September 28, 2025
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Mar 22
Yes, absolutely! You may return this product for a full refund within 90 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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- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Size: Queen (U.S. Standard)
Style: 12 Inch
I’m really happy with this mattress topper. It arrived well packaged in a long box and was easy to unpack and set up. Once opened, it expanded quickly and fit perfectly on my mattress. The material feels soft but still supportive. After putting it on the bed, I immediately noticed the difference in comfort. It adds a nice cushion layer without being too soft. The stitching and overall build quality look very good. I also like the design and the clean look it gives to the bed. It feels durable and well made. So far it has improved my sleeping experience a lot. Overall, this is a great product for the price. If you want to make your mattress more comfortable, I would definitely recommend it.
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Reviewed in the United States on March 10, 2026 by bojiehou bojiehou
Size: Full
Style: 12 Inch
I’ve been sleeping on this 12-inch full-size hybrid mattress for a while, and it’s a good choice! The combination of memory foam and pocketed coils provides the ideal mix of softness and firmness. My back pain has significantly reduced, and I wake up feeling refreshed. The medium-firm feel is just right—not too plush but still cozy. The breathable cover keeps me cool, even in warmer weather. Setup was effortless, and the edge support is surprisingly strong. For the price, this mattress outperforms many higher-end options. Highly recommend for anyone seeking luxury comfort without breaking the bank! 🌟
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Reviewed in the United States on March 4, 2026 by Kevin Kevin
Size: Queen (U.S. Standard)
Style: 12 Inch
After months of research, I purchased this 12-inch Queen hybrid mattress, and it’s exceeded all expectations! The combination of memory foam and individually wrapped coils provides the perfect balance—plush yet incredibly supportive. My back pain has vanished, and I wake up feeling refreshed. The cooling gel layer keeps me comfortable all night, even in summer. Motion isolation is excellent; my partner’s movements no longer disturb me. Setup was effortless, and the edge support is surprisingly sturdy. The 10-year warranty and responsive customer service sealed the deal. If you want luxury without the price tag, this is the one. Highly recommend!
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Reviewed in the United States on January 26, 2026 by Zoey Zoey
Size: King (U.S. Standard)
Style: 12 Inch
Got this mattress to go with our new king bed. My husband is around 230 lbs and he says the support is really good. It’s firm enough for him but still comfortable for me. We’ve been sleeping on it for a bit now and it’s been comfortable. No complaints so far. For the price, I think it’s a solid choice.
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Reviewed in the United States on March 1, 2026 by Erica M
Size: Twin
Style: 6 Inch
I was planning on using this for my kid but it’s just not worth it it’s the worst ever when you are laying down you can feel the spring box through the mattress the price was not too high but it is the perfect example of “you get what you pay for “I’m not going to return it just because I don’t know how that will work now that the mattress expanded so I’m just going to take the L and warn potential buyers about this useless product save your money unfortunately I can not rate it lower than 1 otherwise i would
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Reviewed in the United States on March 7, 2026 by Jose Fernandez
Size: King (U.S. Standard)
Style: 12 Inch
The mattress is comfortable and supportive. It expanded quickly after opening and feels well made. The medium plush firmness is just right and provides good support for a restful sleep.
Reviewed in the United States on March 5, 2026 by Gina Gina
Size: King (U.S. Standard)
Style: 12 Inch
I have been using this mattress for over a week now. Upon unboxing it, I specifically checked for any odors, and—to my delight—there were absolutely none. It has completely transformed the quality of my sleep; the mattress strikes the perfect balance between softness and firmness, providing ample support. Installation was also a breeze; since the mattress comes vacuum-compressed, it was easy to maneuver onto the bed frame, and it expanded to its full size much faster than I had anticipated. Both the workmanship and materials are robust and high-quality, and the supportive properties are excellent. This mattress offers exceptional value for money. I am thoroughly satisfied with this purchase and would highly recommend it to anyone currently in search of a supportive memory foam mattress.
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Reviewed in the United States on March 15, 2026 by Kelvin Kelvin
Size: Full
Style: 12 Inch
It's for my teenage nephew. He's very satisfied with it. It’s firm but still feel cozy. It provides the perfect balance between comfort and support.Great quality for the price — highly recommend!
Reviewed in the United States on March 12, 2026 by qunbin you qunbin you