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Coolvie 12 Inch King Size Mattress, Hybrid King Mattress in a Box, 3 Layer Premium Foam with Pocket Springs for Motion Isolation and Pressure Relieving, Medium Firm Feel, 100-Night Trial

  • Based on 2,580 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Thursday, Mar 6
Order within 5 hours and 23 minutes
Available payment plans shown during checkout

Size: King


Style: 12 Inch Medium Firm


Features

  • Motion Isolation for a Peaceful Undisturbed SleepThe individual innerspring pocket coils in this king mattress work independently, you don't have to worry about waking up your sleeping partner every time you climb into or out of bed or change position. Pocket coils are separated by the isolated fabrics and there is little feel of coils underneath.
  • Less Interference and Pressure Relief Coolvies innovative 5-zone spring support systems are designed to work in perfect harmony with foams to ensure a balanced, refreshed sleep with less tossing and turning and minimal partner disturbance.The innerspring coil system adds a gentle bounce while effectively distributing your body weight from head to toe, ensuring even absorption and comprehensive support across the mattress.
  • Stay Cool with Whole Night This 12 inch king size mattress is designed with 3D soft knit fabric on the top cover which is breathable and skin-friendly, absorbing moisture and balancing body temperature. The open cell high density foam under the cover promotes air flow when sleeping on this mattress. You don't need to worry about overheating.
  • 12 Inch King Mattress in A Box This 12 inch hybrid mattressking is efficiently compressed into one box thats easily shipped and maneuvered into the bedroom; simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours. It fits various bed frames, including box springs, floors, slatted bases, and flat platforms.
  • Rest Easy with our 10 Year Protection Your satisfaction and peace of mind are our priority. If there are any issues with your mattress, our dedicated customer service team will be there to assist you. Please note that once the mattress is opened, it cannot be returned.

Brand: Coolvie


Size: King


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


Top Style: Pillow Top


Cover Material: Memory Foam


Fill Material: High Density Foam


Special Feature: Vacuums


Color: White, Blue


Coil Type: Pocketed Coil


Model Name: Coolvie-king


Product Dimensions: 80 x 76 x 12 inches


Item Weight: 100.8 pounds


Item model number: Coolvie-king


Date First Available: December 14, 2021


Frequently asked questions

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

Yes, absolutely! You may return this product for a full refund within 100 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Great Quality Mattress and Great Price
Size: Twin XL Style: 14 Inch Medium Firm
This a review on the Coolvie 14in. Medium Firm XL Twin Mattress. I truly did the research on this mattress by reading all the reviews. Therefore I wanted to write a review that would hopefully be helpful and informative. I had 2 TwinXL Beautyrest 14in. Medium Plush Recharge Contenders that were over a $1000 each almost 10 years ago when we bought them. My husband and I have 2 twin xl mattresses because we have adjustable bed bases that make a King. My bed had deteriorated at a faster rate than my husband's because I have disabilities in my back and heart so I'm always home. When we went shopping for mattresses during Labor Day the prices floored us. Therefore I researched and took a chance on this mattress. We only bought one for me now and got the 14in Medium Firm. If all stays like it is we'll get the Medium Plush for my Husband. We ordered it during Prime Days and got a great price $264 but the regular price for this mattress is also very incredible fairly priced with the $50.00 normal coupon for the mattress of $329.99 is $280 which already is a Great Price so it'll end up less than $600 for a King. The Mattress arrived on a Sunday three (3) Days early. I was so happy when I got the text that it was coming early. My husband and I were careful. He took it out of the box and cut the saran wrap and it's easy to unwrap. Did not unroll. My husband then tore open the the vacuum sack with tool they provide then the decompressing starts. Wow that was so cool. We left it like that for 24 hours and after one day it was already at almost 14in. I periodically checked on it for the growth but it pretty much didn't grow much more after 48 hours. After around the 60 hours we took it to our bed and that night I slept on it. I think that has been the best night's and next day's sleep I've ever had🤣 I woke up the next morning and accidentally fell asleep again and woke up 3 hours later. I will update in a few months if needed, but right now I will give this bed 5 stars out of 5 stars. It is firm but soft. Works perfectly on an adjustable base which I was worried because read a review that said it didn't but knew it did because innerspring mattresses should work with adjustable bases and as you can see in the picture it does!😁btw no smell. Sides are not as Plush as my Beautysleep but I'm not sleeping on the side of my mattress so who cares. ... show more
Reviewed in the United States on October 17, 2024 by jackie p jackie p

  • Firm but not hard
Size: Queen Style: 12 Inch Firm
The media could not be loaded. This mattress turned out to be more comfortable than I expected! I chose the firm option, and it feels just right—firm but not hard, and it gives me the support I need without causing back pain. At first, if you sit on the edge, you might feel a bit of sinking and worry about the support. But once you lie down, it’s a completely different experience—even, supportive, and comfortable. I’ve been using it for over a month, and so far, I’m really happy with it. Since it was shipped compressed, the edges didn’t fully straighten out, but that’s a minor issue and doesn’t affect how it feels when sleeping. Overall, I think this mattress offers great value for the price, and I’d definitely recommend it to anyone looking for a comfortable, supportive option! ... show more
Reviewed in the United States on February 18, 2025 by Leo Leo

  • It is a good bed, but...
Size: Queen Style: 12 Inch Medium Firm
It's a solid bed, and it's really GREAT for back or stomach sleepers, but just OK for side sleepers. The problem is I'm a HEAVY side sleeper. I noticed I toss and turn quite a bit. However, I did come from a plush mattress (which was too soft), but I did not toss and turn while sleeping on my side. I gave this mattress 1.5 years and it works just fine though. Very durable too. With this mattress, my arm falls asleep while laying on my side while my arm underneath my body. So now I extend my arm all the way out and I don't have that same issue, but I still toss and turn and have some back aches if I spend the whole night on my side. No back issues if I spend some of the night on my back, but I can't fall asleep like that. There was a subtle smell but if you let it breath for the day or two it suggests, it goes away. Tl;DR: Overall 3.7/5 for the 12" model, but I'll round up. Great for back and stomach sleepers, not ideal for side sleepers, especially heavy side sleepers but is manageable. If this is you, GO FOR THE 14" VERSION or find a 5-6 firmness mattress. For lighter weight side sleepers, get a plush to medium mattress, not medium firm. I should have switched it during the free nights trial. It still works and I do get good sleep on most nights. ... show more
Reviewed in the United States on June 26, 2024 by Richie

  • Best Sleep - So Comfortable!
Size: Queen Style: 14 Inch Medium Firm
I was super nervous to order a mattress online. I didn't want to spend a gazillion dollars on an online mattress purchase without being able to feel it first. I was out of state when I made the purchase This one is an absolute dream! I read tons of reviews and want to thank those who reviewed this one. Mine is a queen, 14 inches thick, and medium firm. Delivery and item were flawless. Zero damage, zero smell, ZERO regret. I sleep on my side with no issues (for five days so far). I'm thrilled it can be used on an adjustable bed! Great quality at a terrific price! I feel great when I wake up - like I got a good night's sleep, and no aches or pains at all - I'm almost 60... if you know, you know, lol! I would absolutely buy it again. Possibly even over my dream mattress. ... show more
Reviewed in the United States on December 27, 2024 by Sherri Ramsey

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