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King Size Mattress | 10 Inch Hybrid Mattresses King in a Box | Medium Firm Memory Foam and Individual Pocket Springs | Fiberglass Free Bed Matress | Breathable | CertiPUR-US

  • Based on 1,003 reviews
Condition: New
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$229.98 Why this price?
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Availability: Only 10 left in stock, order soon!
Fulfilled by Amazon

Arrives Monday, Mar 10
Order within 20 hours and 43 minutes
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Size: King


Style: 10 Inch


Features

  • PREMIUM KING MATTRESS IN A BOX: We have meticulously crafted our 76" W x 80" D x 10" H MOLBIUS king size mattress using cutting-edge technologies so you can experience the perfect night of sleep. Using only the finest materials, this fiberglass free mattress is a testament to our unwavering commitment to quality, offering a safe retreat for unparalleled rest. Every inch of the memory foam mattress embodies decades of craftsmanship, perfected to give you the best sleep experience.
  • SUPERIOR COMFORT: This mattress king size lets you dive into a realm of unmatched relaxation with a unique blend of individually wrapped pocket coils and premium memory foam. The king size memory foam mattress innovative combination not only provides superior pressure relief and support for every contour of your body but also promises enhanced breathability. The MOLBIUS king memory foam mattress is not just a bed in a box - it's a nightly invitation to indulge in world-class comfort.
  • SLEEP WELL AND WAKE UP RESTED: The MOLBIUS king mattress in a box will elevate your sleep journey to previously unattainable heights! Our medium firm mattress intricately layered hybrid design excels in temperature regulation and motion isolation, helping with tossing, turning, or disturbances from a restless partner. Every night on this king bed mattress becomes an opportunity for deep, uninterrupted sleep, ensuring you wake up rejuvenated and ready to seize the day.
  • EASY TO USE AND SETUP: Versatility meets convenience in our mattress king size bed! The MOLBIUS bed mattress is engineered to be a perfect fit for most common bed frames - from traditional box springs to modern platforms, bunk beds, and even floors. The setup is straightforward: unroll, unwrap, and watch the hybrid mattress king size come to life. Please allow 48-72 hours for the full expansion of the hybrid mattress. And, a friendly reminder: be cautious during king mattresses rapid unfurling.
  • COMMITMENT TO QUALITY: At MOLBIUS, we're more than a brand - we're a symbol of enduring trust. Our memory foam mattress king size is built with CertiPUR-US and Oeko-Tex standard 100 certifications. Each king size bed mattress is manufactured under strict QC guidelines and inspected before being shipped to you. We offer an extended 100-night trial and reassuring 10-year support. If you have questions or feedback about the bed in a box king size, our dedicated team is always eager to assist.

Brand: MOLBIUS


Size: King


Product Dimensions: 80"L x 76"W x 10"Th


Top Style: Euro Top


Cover Material: Polyester or Polycotton


Number of Layers: 6


Fill Material: Memory Foam and Spring in a Box


Special Feature: Breathable and Comfort


Color: White


Coil Type: Pocketed Coil


Product Dimensions: 80 x 76 x 10 inches


Item Weight: 75 pounds


Department: unisex-adult


Manufacturer: MOLBIUS


Country of Origin: Taiwan


Item model number: King size mattress 10 inch in a box


Date First Available: October 16, 2023


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Mar 10

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.

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Top Amazon Reviews


  • Awesome mattress
Size: Queen Style: 10 Inch Medium
I just switched from a memory foam mattress bc my back hurt literally every night, I have lower back injuries... I got this one and the very first night sleeping on it was amazing. My back didn't force me out the bed early not one time and I'm on day 3. Definitely worth the money... It's soft, thick, And the mattress has a little bounce if that helps any of you 😉 ... show more
Reviewed in the United States on February 1, 2025 by Britt

  • Happy
Size: Full Style: 10 Inch
My daughter came home from college and loved her new mattress! It has the perfect firmness and the value was great. Her sleep quality improved and it was easy to unpack and expand. I was skeptical at first but had no problems.
Reviewed in the United States on February 1, 2025 by SA Nichols

  • Very Satisfied
Size: Full Style: 12 Inch
I bought two of these mattresses mostly on a whim because I needed to replace my son’s old mattresses and needed one for my guest room quick. They arrived tightly rolled in thick plastic. They didn’t take long to plump up and we didn’t notice any odors. Both my son and my mom said the mattresses are very comfortable. They are thick enough that the springs aren’t felt when lying down. They have just the right amount of support. In a scale of firmness, 5 being the firmest, this mattress would be about a 2. We’ve had these mattresses for eight months now and they are still good as new. Great purchase and pleasantly surprised for the price we paid for them. ... show more
Reviewed in the United States on December 26, 2024 by Kat & Great

  • Soft mattress. Impressive for a roll up!
Size: Queen Style: 12 Inch
I'm actually really impressed with this. It's squishy on top but seems to be firm enough underneath to hold up to not having a box spring. Depending on how long it lasts before wearing out, I'd buy again.
Reviewed in the United States on February 1, 2025 by Heather

  • Good. but a warning..
Size: Queen Style: 10 Inch Medium
I'm a average weight guy. So when my $600 mattress got a depression in it. You can imagine my emotional state. It was directly in the middle of the mattress. So turning it: hole. Flipping it: hole. I should say by depression I mean what felt like a gaping hole. My legs felt like they were touching the box spring. So obviously no good rest for me. I ordered this mattress as a stop gap solution. I no longer have the disposable income to simply go out and buy a $600 mattress on a whim. This was cheap and free overnight prime delivery. I must say that I am very impressed. The feel and quality of this mattress is extremely good. Very comfortable. It even came with a little cutting tool to slice through the 3ft thick amount of plastic they had it shrink wrapped in. Nothing like that was included with my $600 model. Yes I originally bought this as a temporary replacement. But as of right now I see no need to get rid of it or spend more money on another mattress. I am quite happy with this one. Now for the warning. The description says the firmness is medium. (The same as my old mattress.) It is not. At least not a medium like a mattress that I've ever had. It's not uncomfortable. But on a candy scale from marshmallow to jawbreaker. This mattress is more circus peanut and less caramel chew. So if you absolutely need something firm, skip this one. If you are okay sinking a little further into your mattress (but still with support). You can't really go wrong with this one. ... show more
Reviewed in the United States on November 9, 2024 by LaKeith

  • Comfortable cloud like
Size: King Style: 12 Inch
I was a little suspicious of getting a rolled up, shrink wrapped mattress, especially one I couldn't feel the firmness for myself before buying. BUT I was and still am, AMAZED by the comfort of this mattress. I am on the curvier side so memory foam mattresses generally are only comfortable for a couple nights then they get to be too soft for my taste. But this one is still comfortable a month later, and I've managed to sleep through the whole night (even for almost 24 hours straight) and upon awakening felt NOTHING except well rested, no pains, no aches, no rice crispy back (you know the snap, crackle, pop that comes from having a bit too much fun in your 20s, and no longer being in your 20s or even 30s anymore). My fiancee LOVES it, he calls it his cloud. And all three of my cats have claimed their spots on it as well. My dog, well he just barks at it (he isn't allowed to get on the bed, so he just yells at the cats for being able to)!!! We absolutely love this bed, my only wish is that it had more sturdy edge support, if I sit on the edge of the bed, there isn't as much edge support or extra firmness as I would e hoped for. ... show more
Reviewed in the United States on December 14, 2024 by Laura

  • It works
Size: Queen Style: 10 Inch Medium
You get what you pay for. The box was heavy, but it unpacked easy enough. I let it air and rise for about 3 days. I didn’t notice any smell. I will say it’s more soft than semi-firm. Not cloud soft, but a reasonable amount of give. I tend to like softer beds and it works for me. It doesn’t provide support on the edges so if you are looking to sit on the edge of the bed or sleep near the edge, it will roll you right off. But for the price, it gives a decent night sleep. For me it’s a temporary need for a couple months, so it would also work fine for a guest room. If you are looking for a good, every night, multi-year mattress, I would recommend spending a bit more, but if its for occasional use, this works fine. ... show more
Reviewed in the United States on November 25, 2024 by tm

  • Good mattress especially for the price
Size: Queen Style: 12 Inch
If you’re looking for peak luxury then this isn’t it. It’s a cheap mattress in a box that provides a good night sleep. Overall I’m happy with it I sleep well and don’t wake up in pain. I’m not made of money and needed a mattress and this fit the bill. I took one star away due to the edges having zero support you can’t sit on the edge. But I’d recommend buying this. No smell, and firmness is a solid medium maybe even a little soft so good overall. ... show more
Reviewed in the United States on January 14, 2025 by Ibraham K.

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