King Mattress,12 Inch king size Mattress in a Box, Medium Firm Hybrid Mattress with Individually Wrapped Pocket Springs for Excellent Motion Isolation & Strong Edge Support, Cooler Breathable Sleep
Condition: New
Buy Now, Pay Later
As low as
$37.29
/ mo
Learn more
- – 6-month term
- – No impact on credit to apply
- – Instant approval decision
- – Secure and straightforward checkout
Ready to go? Add this product to your cart and select a plan during checkout.
Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.
Learn more about financing & leasing here.
Selected Option
Free shipping on this product
90-day returns
Learn more
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
Apr 17 – Apr 18
Size: King
Style: 12 Inch
Features
- Balanced Hybrid Feel & Medium-Firm Support Find your perfect balance of comfort and support with the AILIS king size matress. This mattress king size combines responsive pocket springs with conforming foam layers to create a medium firm feel, ideal for all sleeping positions. It provides targeted support to help relieve pressure points and maintain a comfortable spinal posture for a restful night's sleep.
- Breathable Comfort for a More Restful Sleep Designed for comfort, our king size mattress features a breathable, soft-touch cover and gel-infused memory foam that aids in airflow. This king bed mattress design helps to dissipate body heat,contributing to a more consistent and comfortable sleep temperature throughout the night.
- Strong Edge Support & Effective Motion Isolation Make full use of your sleeping surface. This king size hybrid mattress is built with a reinforced edge, providing a stable and secure feel that makes getting in and out of bed easier. The hundreds of individually wrapped pocket springs also work to minimize motion transfer across the bed, helping to ensure sleep is not easily disturbed.
- Easy Setup with King Mattress in a Box Delivery Enjoy the convenience of our bed in a box delivery. Your AILIS king size bed mattress in a box arrives compressed and rolled for easy handling. Simply unbox, unroll, and watch it expand to its full 12 inch height. Please allow 72 hours for it to fully air out and reach its intended size and firmness.
- Universal Compatibility & Reliable Everyday Use This 12 inch king mattress is designed for a universal fit, working well with most common bed frames like platform bases, slatted foundations, or even when placed directly on the floor. AILIS is dedicated to creating reliable products, making this colchon king size a practical choice for your everyday sleep needs.
Brand: ailis
Size: King
Product Dimensions: 80"L x 76"W x 12"Th
Item Weight: 80 Pounds
Item Firmness Description: Medium
Top Style: Euro Top
Fill Material: Gel Memory Foam, High Density Foam, Pocket Spring
Special Feature: Pressure Relief、Edge support enhancement、Breathable、 Low Motion Transfer
Color: White/Dark Gray
Manufacturer: AILIS
Item Firmness Description: Medium
Additional Features: Pressure Relief、Edge support enhancement、Breathable、 Low Motion Transfer
Size: King
Item Dimensions L x W x Thickness: 80"L x 76"W x 12"Th
Item Weight: 80 Pounds
Item Dimensions: 80 x 76 x 12 inches
Fill Material: Gel Memory Foam, High Density Foam, Pocket Spring
Brand Name: ailis
Age Range Description: Suitable for all ages
Manufacturer: AILIS
top-style: Euro Top
Color: White/Dark Gray
Style Name: 12 Inch
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Apr 17 – Apr 18
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.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
Similar Products
Top Amazon Reviews
Size: Queen
Style: 12 Inch
I recently purchased this mattress and overall I am very pleased with it. The setup process was extremely easy. Once unboxed, the mattress expanded quickly and reached its full shape without any issues. It was simple enough to manage alone, which made the experience very convenient. The mattress feels very soft and comfortable while still providing good support. It has a nice balance between cushioning and firmness, so it does not feel like you are sinking too deeply but still gives a cozy, supportive sleep surface. I noticed a significant improvement in overall comfort compared to my previous mattress. It also feels sturdy and well made. Even after several nights of sleep, the mattress maintains its shape and support without sagging. The materials feel durable, and it gives the impression that it will hold up well over time. Another great aspect is the value for money. For the price, the quality and comfort level exceeded my expectations. It feels comparable to more expensive mattresses without the high cost. Overall, this is a comfortable, supportive mattress that was easy to set up and well worth the purchase. I would definitely buy it again and recommend it to anyone looking for a quality mattress at a reasonable price.
...
show more
Reviewed in the United States on March 1, 2026 by Alyssa
Size: Queen
Style: 12 Inch
This queen size mattress is incredibly comfortable. It offers the perfect balance between softness and support, so I don’t feel any back or shoulder pain when I wake up. The material is high-quality, breathable, and doesn’t make me feel hot at night. It fits my bed frame perfectly and was easy to set up. I’ve been sleeping much better since I got this mattress, and I’m extremely satisfied with my purchase.
...
show more
Reviewed in the United States on March 16, 2026 by TJ
Size: Queen
Style: 14 Inch
So far so good. I like a firm mattress. It came quick, I asked for Saturday it came Thursday luckily I was home. It rolled right up and formed. It's soft yet firm. I took a nap and it felt great. Its a great price, definitely a queen size, easy set up, no noise. I'll measure it later and update on quality of sleep after awhile later. Again if you want a soft mattress or need a softer mattress this isn't for you. So far quality is great!
...
show more
Reviewed in the United States on February 26, 2026 by Amberly Holman
Size: Queen
Style: 14 Inch
This mattress is very firm and comfortable. Just look at the thickness of it. It is very easy to set up as well. Great value for its price. I highly recommend.
Reviewed in the United States on March 7, 2026 by PZ
Size: Queen
Style: 12 Inch
This mattress is very comfortable and feels high quality. The support is great and it keeps its shape well. I like that it’s breathable and doesn’t get too hot at night. Setup was easy and it expanded quickly. Overall, a great product for the price.
Reviewed in the United States on March 21, 2026 by xiaoxu
Size: Queen
Style: 12 Inch
I finally decided to buy a new mattress because I was constantly waking up with lower back and shoulder pain. I originally purchased a mattress from another company on here , but I didn’t like it because I would sink into the bed. After returning that one, I finally bought this mattress, and OMG, it's firm but so comfortable! As soon as I laid on it, I felt instant relief on my back! I’ve been sleeping on it for a few days now, and I no longer wake up with back pain or toss and turn all night. If you're thinking about getting this mattress, I definitely recommend it. It's the best money I’ve spent on a mattress that’s not only affordable but also comfortable. The setup was super easy and simple, and my son loves the bed as well. He doesn’t even feel me get up! The only reason I’m giving it 4 stars is because the edges feel a little weak. Overall, I really love this mattress!!!
...
show more
Reviewed in the United States on February 27, 2026 by Brenda
Size: Queen
Style: 12 Inch
really nice queen sizes mattress, very very comfortable the mattress has very good quality It’s not soft , but also it’s not really firm. Either. The package of this good. Before you unboxed the package, you need to put on top of the bed frame ,and let it expand for couple hours. Overall, very nice experience.
...
show more
Reviewed in the United States on March 17, 2026 by ERIC
Size: Queen
Style: 14 Inch
I've been sleeping on this mattress for almost 30 days and it sleeps great! It's comfortable, sleeps cool, and has great support from head to toe. It almost feels bigger than a queen mattress. I love it!
Reviewed in the United States on March 3, 2026 by Gia