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King Size Mattress, 12 Inch King Mattress in a Box, Medium Firm Pocket Spring and Gel Memory Foam for Superior Comfort, Pressure Relief, Strong Edge Support

  • Based on 39 reviews
Condition: New
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$288.88 Why this price?
Save $31.11 was $319.99

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Availability: 17 left in stock
Fulfilled by Amazon

Arrives Tuesday, May 6
Order within 7 hours and 26 minutes
Available payment plans shown during checkout

Size: King


Style: 12 Inch


Features

  • ULTIMATE COMFORT AND PRESSURE RELIEF: The SUAYEA 12-inch King size mattress combines medium firm pocket springs and gel memory foam. It conforms to your body shape, relieving pressure on the neck, shoulders, and back, ensuring a restful night's sleep
  • STRONG EDGE SUPPORT: With robust edge support, this King mattress allows you to use the entire sleeping surface without the risk of rolling off. It maintains its shape even when sitting on the edge, providing stable support for a 1000-pound capacity
  • LUXURIOUS SLEEPING EXPERIENCE: The top layer features skin-friendly fabric and high - density foam, while the bottom is equipped with silent pocket springs. This hybrid design offers a soft, quiet, and comfortable sleep environment, free from disturbances
  • EASY SETUP: The SUAYEA King mattress in a box, which is convenient for shipping and handling. Simply open the package, cut the bag, shake the mattress, and allow it 24 - 72 hours to expand to its King 80*76*12 inch size
  • RELIABLE CUSTOMER SUPPORT: We offer 24/7 support, a 100 - days free trial, and 10 - year protection. Our dedicated customer service team is always ready to assist you with any questions or concerns about your King size mattress

Brand: SUAYEA


Size: King


Product Dimensions: 80"L x 76"W x 12"Th


Top Style: Pillow Top


Fill Material: Memory Foam


Special Feature: Pressure Relief


Color: Blue


Model Name: SB12K-E


Material: Cotton


Manufacturer: SUAYEA


Product Dimensions: 80 x 76 x 12 inches


Item Weight: 65 pounds


Manufacturer: SUAYEA


Item model number: SB12K-E


Date First Available: March 3, 2025


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, May 6

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.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Very well made mattress, and great value!
Size: King Style: 14 Inch
So far so good! I’m still baffled how a king size mattress can fit in a box, but it did. It was so convenient to have it shipped right to our house. The mattress is comfortable and well made. It’s not too firm and not too soft. My husband and I slept so much better on our new bed.
Reviewed in the United States on April 6, 2025 by Charisse

  • Great mattress !
Size: King Style: 14 Inch
We recently just upgraded to a king size bed and this mattress is super comfortable. We were a little worried about purchasing a mattress through Amazon but we are so happy with our decision. It’s very firm and does the job.
Reviewed in the United States on April 7, 2025 by Stefanie Marie

  • Best Mattress
Size: Queen Style: 14 Inch
One of the best mattresses I’ve ever slept on. So very comfortable.
Reviewed in the United States on April 6, 2025 by Sherika

  • Really good mattress
Way better than expected. Great mattress
Reviewed in the United States on February 5, 2025 by Dean L.

  • Comfortable basic innerspring mattress
Size: Full Style: 12 Inch
This is a full-sized inner spring mattress sold as a bed in a box - meaning its vacuum sealed in a bag flat and rolled up tight, but once you unwrap it and release the vacuum, it springs right up. It comes with a plastic protective blade to let you do this without harming the mattress. It is very comfortable and of good quality. It's not a thick as it looks like in the product photos, but I don't think that's much of a problem. My only complaint is that it doesn't have any handles on the sides, as most mattresses do, which makes wrangling it into place that much harder. Overall, a great buy. Review for product titled "Full Size Mattress, 12 Inch Full Mattress in a Box, Medium Firm Pocket Spring and Gel Memory Foam for Superior Comfort, Pressure Relief, Strong Edge Support" ... show more
Reviewed in the United States on March 30, 2025 by KD KD

  • Beautiful and comfortable!!
Size: King Style: 12 Inch
The media could not be loaded. OMG! This mattress was such a great surprise on the quality and comfort! I am dumb founded that it was less than $300 for a KING SIZE!! I paid $2500 for my last king size mattress and it has ruts from where we have laid on it over the years and there is a hump in the middle. I’m sure this one may do the same thing, but at this price we can buy a new one when needed. This one comes with the same guarantee as my Beautyrest of 10 years! I never leave reviews but couldn’t help but give one to this. I am truly amazed and will be giving my $2500 mattress to my granddaughter! ... show more
Reviewed in the United States on April 7, 2025 by C Fugate C Fugate

  • Would buy again
Bought this for my daughter and she loves it.
Reviewed in the United States on March 29, 2025 by tracy

  • Perfect for the price
Its super comfy! Its soft but its also firm it expanded in maybe an hour or so? I bought it fir my 3 year old- I fall asleep right away when im in this bed.
Reviewed in the United States on May 24, 2024 by Maria

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