King Size Mattress, 12 Inch Pocket Spring & Memory Foam, Medium Firm, White
Condition: New
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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:
Only 5 left in stock, order soon!
Arrives
Jan 30 – Jan 31
Size: King
Style: 12 Inch White
Features
- Perfect Firmness: This medium firm mattress designed to offer superior comfort and support. Thousands of pocket spring coils support your body from head to toes, provide a balanced combination of firmness and cushioning, ensures spinal alignment and pressure relief, you can let go of your day's fatigue on this king size mattress.
- Sleep Innovation: Selene hybrid mattress king is a sleep innovation. Five inches of heavy gauge steel coils provide a reliable base and strong support while the knitted fabric cover and soft egg-shaped wave foam ensure comfort, you won't feel the springs. The thicker coils at the edge provide strong edge support, no worry about falling.
- Safe & Harmless: Our king bed mattress is made of CertiPUR-US certified foam and no harmful substance. The premium stretch knit fabric is anti-pilling, skin-friendly, and durable. You and your family can sleep with confidence on this king mattress.
- Quiet Sleep: You and your partner can enjoy a quiet sleep because Selene king size mattress 12 inch adopts individually wrapped coils which can effectively reduce noise and prevent shaking, keeps motion isolation and you don't need to worry about disturbing each other.
- Smart Mattress in a Box: Our mattress king is smartly packed so it can be transported to your room easily, simply unbox, unroll and safe to sleep on. Please wait 48-72 hours to fully expand and any potential odor to dissipate. Our hybrid mattress is suitable for most bed frames, such as traditional platform bed, foundations, box springs and bunk bed, please feel free to contact us at any time for support when you needed.
Brand: Selene Bedding
Size: King
Product Dimensions: 80"L x 76"W x 12"Th
Top Style: Euro Top
Cover Material: Polycottons
Number of Layers: 4
Fill Material: Memory Foam
Special Feature: Pressure Relief
Color: White
Coil Type: Pocketed Coil
Product Dimensions: 80 x 76 x 12 inches
Item Weight: 70 pounds
Manufacturer: Selene Bedding
Item model number: SL-RM-12K
Date First Available: April 9, 2024
Age Range Description: Adult
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Jan 30 – Jan 31
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
- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Great coil/foam support combo with a soft pillowtop cushion. Highly recommend. I noticed some reviews said that edge control is a problem. I aired mine out fir 24 hours and then tested. No issues for edges here. I wonder if others tried out the mattress right out of the box which creates a massive problem. Directions say to air out for 48 to 72 hours. Highly recommend. Also recommend getting a steel frame. Got one on here for 60 bucks. Easy to install. The first picture is measuring out at 9.5 inches which is very close with pillow top and the second picture was a one minute after opening box.
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Reviewed in the United States on June 11, 2025 by Matthew Matthew
We bought this in a queen size for a spare BR. The mattress arrived in a decent amount of time. We installed it and allowed it to breath for 3 days before "testing" it. It is described as "medium firm" but in our opinion it is less than firm and more to the medium firmness. Firmness is relative and subjective, so it is hard to describe and evaluate for others. I see reviews saying it's too soft or too firm. I was hoping there would be more strength in the edging as I sink more than on our regular conventional mattress when I sit on the edge getting in and out. But it's not bad and it's not that one would fall out of the bed. It's a very nice mattress, is comfortable and should hold up especially given the frequency of use it will get. The fit is perfect for our frame with rails, head and foot boards. The construction and stitching are very good. I give it a rating as a very good value for quality, fit, cost and comfort even though less firm than I anticipated.
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Reviewed in the United States on September 6, 2024 by Roger
Size: Queen
Style: 10 Inch White
Great mattress very comfortable. Setup was very easy. Only need out 5 hours to settle.
Reviewed in the United States on September 27, 2025 by leon jenkins
Why did you pick this product vs others?: This bed is amazing! Very high, comfortable, easy to unpack and sturdy. I wish it was a tad bit softer but great for firm to medium firm bed lovers!
Reviewed in the United States on July 16, 2025 by Melissa
Size: Queen
Style: 10 Inch White
This 10-inch mattress exceeded my expectations! It’s the perfect balance between softness and support. I wake up feeling well-rested and without any back pain. The memory foam adapts to the body beautifully and stays cool throughout the night. It expanded quickly after unpacking and had no strong odor. Great quality for the price — I’m so happy with this purchase. Highly recommend if you’re looking for a comfortable and affordable mattress!
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Reviewed in the United States on July 6, 2025 by roberto raul
I purchased this full-size mattress for my child, and they have been sleeping soundly ever since! No complaints whatsoever, which is a huge win. As a parent, I've also had the chance to lay on this mattress, and I must say, it's surprisingly comfortable. I was able to easily fall asleep, which speaks volumes about its comfort level. It has a nice plush feel without being too soft and lacking support. We've had this mattress for a while now, and it has held up wonderfully. It easily regained its shape after being moved, and we haven't experienced any dips or sagging. Plus, we haven't had any issues with fitted sheets not fitting – every sheet we've purchased has worked perfectly. Overall, this mattress was a fantastic addition to our home. It's comfortable for both kids and adults, supportive, and seems to be very durable. Highly recommend!
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Reviewed in the United States on April 1, 2025 by Jessica Hurley
Size: Queen
Style: 10 Inch White
No smell or noise. My husband loves it and said his sleep is improved.
Reviewed in the United States on October 24, 2025 by Jill
Size: Queen
Style: 10 Inch Grey
So soft
Reviewed in the United States on October 15, 2025 by Tocha Milner