Avenco King Mattress 14 Inch, King Size Mattresses Medium Firm for Back Pressure Relief, Mattress in a Box CertiPUR-US Certified Foam Colchones
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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.
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Availability:
Only 3 left in stock, order soon!
Arrives
Saturday, May 16
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Size: King (U.S. Standard)
Style: 14 Inch
Features
- Optimal Freshness & Support - This Avenco king mattress uses breathable fabric and dual-layer foam. It enhances airflow while controlling moisture and odors. Enjoy a consistently fresh sleep surface all night long.
- Targeted Comfort & Edge Support - The 14 inch king mattress offers excellent pressure relief by contouring to your body. Reinforced edges deliver firm edge support across all sleeping positions. This design ensures proper spinal alignment and comfort.
- Great Value for Any Room - Premium comfort at an affordable price point. Ideal for guest rooms, kids' rooms, and dormitory use. This king size mattress features a durable, long-lasting cover construction.
- Simple Home Setup Process - Your king mattress in a box arrives compressed for easy handling. Simply unroll and allow up to 72 hours for full expansion. The setup requires minimal effort and time.
- Certified Safe & Reliable - This king foam mattress is CertiPUR-US certified for safety. Backed by a 100-night risk-free trial period. Includes responsive customer support for your peace of mind.
Brand: Avenco
Size: King (U.S. Standard)
Product Dimensions: 80"L x 76"W x 14"Th
Item Weight: 82.7 Pounds
Item Firmness Description: Medium Firm
Top Style: Euro Top
Cover Material: Fabric
Number of Layers: 2
Fill Material: High Density Foam
Weight Limit: 450 Pounds
Item Weight: 82.7 pounds
Product Dimensions: 80 x 76 x 14 inches
Item model number: B-M01905
Date First Available: October 29, 2025
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, May 16
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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Learn more about financing & leasing here.
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Top Amazon Reviews
Size: King (U.S. Standard)
Style: 14 Inch
I’ve been using this 14-inch King mattress for a while now, and I’m very impressed with the quality and comfort. The mattress arrived well packaged and expanded quickly with no strong odor, which was a big plus. The medium firm feel is just right it provides great support for my back while still being comfortable enough to relieve pressure on my shoulders and hips. I’ve noticed a real improvement in my sleep quality and much less back stiffness in the mornings. It holds its shape well, doesn’t sag, and motion transfer is minimal, which is perfect if you share the bed. The foam feels high-quality. Overall, this mattress offers excellent value for the price and easily competes with much more expensive brands. I would definitely recommend it to anyone looking for a comfortable, supportive king-size mattress that ships conveniently in a box.
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Reviewed in the United States on January 8, 2026 by Bullseye Bill Bullseye Bill
Size: King (U.S. Standard)
Style: 14 Inch
I’m extremely happy with this Avenco King mattress. It expanded fully within a few hours and had very minimal odor, which disappeared quickly. The medium-firm feel is perfect—not too soft, not too hard—and provides excellent back and body support. I’ve noticed a big improvement in my sleep quality and much less back pressure in the morning. The mattress feels well-made, supportive, and comfortable for all sleeping positions. For the price, the quality is outstanding. Setup was super easy straight out of the box. Highly recommend this mattress to anyone looking for comfort, support, and great value!
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Reviewed in the United States on January 10, 2026 by Puspa
Size: King (U.S. Standard)
Style: 14 Inch
This Avenco 14-inch king mattress exceeded my expectations. It arrived well packaged and expanded fully within a few hours. The medium-firm feel provides excellent back and pressure relief while still being comfortable for side and back sleepers. The foam feels supportive without sinking too much, and there was minimal odor after unpacking. I’ve noticed improved sleep quality and less back stiffness in the mornings. It fits perfectly on my bed frame and feels durable and well-made. For the price, this mattress offers outstanding comfort, quality, and value. I’m very satisfied with this purchase.
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Reviewed in the United States on February 8, 2026 by Srinath Srinath
Size: Full
Style: 12 Inch
After installing this mattress, I was genuinely impressed by how comfortable and supportive it feels. It provides a perfectly firm feel that offers excellent support for my back while still being incredibly relaxing. The 12-inch thickness adds an extra layer of comfort, making every night’s sleep feel restful, refreshing and so easy. The foam quality is outstanding, and the CertiPUR-US certification gives peace of mind regarding safety and long-term durability. What truly stands out is the exceptional quality at such a budget-friendly price. This mattress is absolutely worth the investment, and I highly recommend it to anyone looking for comfort, support, and great value. ⭐⭐⭐⭐⭐
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Reviewed in the United States on January 29, 2026 by Wajiha saqib Wajiha saqib
Size: Queen (U.S. Standard)
Style: 12 Inch
I’m really happy with this mattress. It fully expanded within just a few hours, and the medium‑firm feel is exactly what I was hoping for—not too soft, not too firm—offering great support for my back and overall body. The construction feels solid, and it’s comfortable no matter what position I sleep in. For the price, the quality is impressive. Setup was effortless right out of the box, and there was only a slight initial odor that faded quickly. Overall, I’d definitely recommend this mattress to anyone seeking a comfortable, supportive, and well‑made option.
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Reviewed in the United States on February 24, 2026 by Riya Singla
Size: Queen (U.S. Standard)
Style: 12 Inch
This Avenco Queen 12” mattress is the perfect balance of comfort and support. The medium-firm feel gives great back pressure relief without feeling too hard. It expanded quickly from the box and had minimal odor.I sleep cooler and wake up with less stiffness in my lower back.
Reviewed in the United States on February 20, 2026 by Amish
Size: Queen (U.S. Standard)
Style: 12 Inch
Bought the Avenco 12-Inch Queen size mattress for my new place and I was skeptical on how comfortable it would be for me since online you cannot check the comfortness before buying. I am someone who prefers firm mattresses and not too soft. This offers a perfect balance of support and comfort. It’s silky-white in appearance and has plush memory foam, which contours well to the body while maintaining durability and breathability. Ideal for all sleep positions, it reduces motion transfer and promotes restful sleep. A great value for quality and comfort in one mattress. If you’re looking for a firm mattress but not extra-firm then this is an ideal choice and the best in market.
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Reviewed in the United States on February 3, 2026 by Divya Gupta Divya Gupta
Size: Queen (U.S. Standard)
Style: 14 Inch
The firmness is just right — not too soft and not too firm. It’s very comfortable and provides great support. I was previously using a thinner mattress with this bed frame, and it was always noisy whenever I moved. After switching to this mattress, the noise is completely gone. It’s much more stable and quiet now. The mattress fits perfectly and lays flat. Overall, I’m very happy with this purchase and my sleep quality has improved a lot. Would definitely recommend!
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Reviewed in the United States on January 25, 2026 by Mia Mia