Rimensy King Mattress, 12 Inch Hybrid King Size Mattresses in a Box, Upgrade Individually Pocket Springs, Medium Firm
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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:
15 left in stock
Arrives
Monday, Mar 23
Recently Viewed
Size: Medium Firm King
Style: 12 Inch
Features
- Breathable and Healthy: The top layer of the mattress is made from a breathable knit fabric that ensure you enjoy a cool night's sleep
- Individual Pocket Springs: Rimensy hybrid mattress which springs working independently is ergonomically designed to provide targeted support along every curve of your body
- King Mattress In a Box: This hybrid king size mattress is vacuum roll packaged and delivered anywhere.To prevent injuries due to instant expansion of the mattress. Please Keep a safe distance from the mattress when you unpack it and wait for 48-72 hours to restore the original shape and enjoy
- Suitable For Most Bed Frames: Measures 76" W x 80" D x 12" H and supports a maximum weight of 700 lbs. Compatible with most bed frames such as box spring, floor, slatted base, flat platform, adjustable bed, hospital bed,etc
- Worry-Free Purchase Guarantee: Rimensy mattress come with a 10-year after-sales guarantee. If you have any unsatisfactory issues, please contact our friendly customer support team
Brand: Rimensy
Size: Medium Firm King
Product Dimensions: 76"L x 80"W x 12"Th
Item Firmness Description: Medium
Top Style: Euro Top
Cover Material: Breathable Fabric
Number of Layers: 3
Fill Material: Gel Memory Foam
Weight Limit: 700 Pounds
Special Feature: Vacuums
Product Dimensions: 76 x 80 x 12 inches
Item Weight: 86.8 pounds
Manufacturer: Rimensy
Item model number: B0FQH7JSBS
Date First Available: September 10, 2025
Age Range Description: All age
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Mar 23
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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- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Size: Medium Firm Queen
Style: 12 Inch
This mattress is simply wonderful. From the very first night, I noticed the difference: it’s super comfortable, adapts perfectly to the body, and provides just the right amount of support. I woke up without back pain, which used to happen a lot with my old mattress. The firmness is ideal—not too hard and not too soft—right in the perfect spot for a good night’s rest. Plus, it doesn’t sink over time and you can’t feel the other person’s movements, which is a huge plus. You can tell the quality of the materials as soon as you open it. It comes well sealed and expands quickly. It also has great ventilation, so it doesn’t get hot during the night. Since I got it, I’ve been sleeping deeply and waking up refreshed. 100% recommended — absolutely worth every penny! 🛏️💤
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Reviewed in the United States on November 5, 2025 by Yelena Rivero Duarte
Size: Full
Style: 12 Inch Firm
Easy to pull out. Super comfortable and bouncy. Totally would order. Not too soft and too firm. Perfect.
Reviewed in the United States on February 9, 2026 by Catyoska
Size: Full
Style: 12 Inch Firm
This mattress is SOFT, Comfortable, and more than worth the small price. Don’t look elsewhere or you’ll get a rock for the same price point. This was our third one and it’s the charm!
Reviewed in the United States on December 7, 2025 by Chronicles of Kristina
Size: Medium Firm King
Style: 14 Inch
I shopped around for mattresses for quite a while before I bought this. I wanted a hybrid mattress, which this is. I love the 14 inches, and unlike other reviews, I’ve had no issues with the edge of the mattress sinking while sitting on the side. It’s comfortable, and I sleep well on it, which is all that matters to me. Price point is quite reasonable.
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Reviewed in the United States on November 14, 2025 by Babygirl46
This was packaged very well and even included a tool to make opening it easier without damaging the mattress. It was really heavy, but it doesn’t sag or sink so it must be for good reason. It holding it’s shape keeps it comfortable. This mattress is on the firmer side, but I personally like that, if you prefer a softer mattress get a pillow topper or a different mattress. The manufacturing of the mattress is of a higher quality, the seams are sturdy, stitched well, and stay in place. The pillow topper filling doesn’t shift around so it is an even feel through out. You can sit on the edge of the mattress and it stays put with very little give and bounces right back in place.
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Reviewed in the United States on July 1, 2025 by Sam
Size: Full
Style: 10 Inch Firm
I purchased this for my daughter's room remodel and I am jealous. This mattress is super soft and comfy like sleeping on a cloud.
Reviewed in the United States on January 31, 2026 by Johnson
Size: Medium Firm Queen
Style: 12 Inch
We just love it. I replaced my all bed and this mattress is absolutely perfect. No more back pain. I can't even notice when my wife wakes up in the middle of the night. We just love it.
Reviewed in the United States on January 10, 2026 by Jonathan M
Size: Full
Style: 10 Inch Firm
It’s a good mattress for my 4 year old. As an adult I would not want to sleep on this mattress continually. The mattress is very much on the soft side. I recommend a box spring for this mattress if you 200lbs or more
Reviewed in the United States on January 11, 2026 by CTL