ZINUS 12 Inch Green Tea Cooling Memory Foam Mattress [New Version], Queen, Fiberglass Free, Medium Firmness, Cooling Gel Foam, Certified Safe Foams & Fabric, Mattress in A Box
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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.
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Availability:
In Stock.
Arrives
Nov 22 – Nov 23
Size: Queen
Style: 12"
Pattern Name: Green Tea Cooling (Small Box)
Features
- COOLER SLEEP AND A CLEANER PLANET Topped with soothing gel memory foam, this mattress is designed to help keep you cool and comfortable throughout the night, and ships in a new smaller box to support a reduced carbon footprint
- REJUVENATING SUPPORT Pressure-relieving memory foam conforms to the shape of your body to enhance circulation and decrease stress on your joints, and is infused with cooling gel for ultimate temperature regulation
- ALL NIGHT FRESHNESS - The all-natural green tea and purified charcoal infusions work together to help keep your mattress fresh for many nights to come
- CERTIFIED SAFE MATERIALS Crafted from high-quality CertiPUR-US certified foam and wrapped with an OEKO-TEX certified mattress cover all produced without the use of harmful chemicals for safer, healthier sleep
- WORRY-FREE WARRANTY A 10-year limited warranty is included with the mattress; please allow 2472 hours for your mattress to expand to its original shape
Description
This cooling gel-infused memory foam mattress is specially designed to help regulate your body temperature throughout the night, making it a great solution for hot sleepers. Layers of soft and supportive foam mold to your body to relieve sore muscles and achy joints as you snooze. All high-quality foam in this mattress is CertiPUR-US® certified to ensure there are no harmful chemicals where you rest—giving you peace of mind you can sleep on.
Brand: Zinus
Size: Queen
Product Dimensions: 80"L x 60"W x 12"Th
Top Style: Tight Top
Cover Material: Polyester
Number of Layers: 3
Fill Material: Gel Memory Foam
Weight Limit: 500 Pounds
Special Feature: Breathable, Pressure Relief
Color: White
Item Weight: 61.4 pounds
Product Dimensions: 80 x 60 x 12 inches
Item model number: ZU-MFGN1YZI-12Q
Age Range Description: Adult
Date First Available: October 13, 2023
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Nov 22 – Nov 23
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.
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Similar Products
Top Amazon Reviews
Size: King
Style: 12"
Pattern Name: Green Tea Cooling (Small Box)
This king-size mattress exceeded my expectations. It's very comfortable, firm yet soft, and adapts perfectly to the body. Since I've had it, I've slept much better and wake up without back pain. Plus, it arrived well packaged and expanded quickly. The quality is noticeable from day one. An excellent investment for a good night's sleep!
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Reviewed in the United States on October 22, 2025 by Meris Antunez Meris Antunez
Size: Twin
Style: 10"
Pattern Name: Green Tea Cooling (Small Box)
I’ve been using the ZINUS 10" Green Tea Cooling Memory Foam Mattress (new fiberglass-free version) for a few weeks now, and I’m really impressed. It arrived quickly, was well-packaged, and expanded fully within a day. There was a very light scent at first, but nothing unpleasant—and it faded quickly. The comfort level is just right for me—supportive but with enough softness to relieve pressure on my shoulders and hips (I’m mostly a side sleeper). It conforms nicely without feeling like I’m sinking in too much. I also appreciate the cooling layer—it doesn't sleep hot like other memory foam mattresses I’ve tried. One of the biggest reasons I chose this model was the fact that it’s fiberglass-free. That gave me real peace of mind, especially since I’ve read horror stories about older models with fiberglass. No issues here at all. Overall, this mattress delivers great value for the price. If you're looking for something comfortable, budget-friendly, and safer than older foam mattresses, this is a solid choice. Would definitely recommend!
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Reviewed in the United States on October 17, 2025 by L J
Size: Queen
Style: 12"
Pattern Name: Green Tea Cooling (Small Box)
I have had the same mattress for the past 5 years, and it came to me already five years old. I admit, as a night owl I didn't consider that I might have a more challenging time going to sleep at night because my bed was uncomfortable. I got a mattress topper for Christmas, and it helped a bit, but I didn't notice a huge difference. When my friend mentioned she'd bought a new mattress under similar circumstances, I began searching for a new one immediately. As a student, I obviously cannot really afford to drop $1000 on those fancy mattresses people kept recommending. The Zinus mattress caught my eye because A) it was recommended on just about every site I looked for "High-quality, affordable mattresses," and B) I have a 2-year-old Zinus bedframe that I love and has served me so well. I've had the mattress for a few days now and although it arrived a bit too firm for my liking, it has since softened. Granted, I spent some time walking on it to break it down faster. I expect the mattress to become even softer as it continues to modify to my body shape. Mattress preferences are extremely subjective, but for a 120-pound female, this mattress feels heavenly to me. I've been so excited about how it feels that I'm spending a lot of time in my bed and trying to go to bed earlier. I'm biased toward the brand but I will modify this review if I notice the quality of the mattress degrading. It’s been six months since I purchased this mattress and it has been such a game changer. It’s so comfy that it’s sent me down a rabbit hole of getting new, equally as comfy bedding to accommodate it. My bed is my favorite place in the world right now. I think for me this seemed like one of those too good to be true things because a mattress in a box is a weird concept for sure, but I’ve not had a single issue with it in the time I’ve had it. To anybody on the fence, there’s so many mattresses out there that purport to be one thing or another or the best in the business and the truth is it’s so subjective. But I don’t think the expense of a product has to equate to its quality. The $1000 mattresses aren’t necessarily better sometimes. This mattress was affordable and has proven itself. I’m very happy with the purchase
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Reviewed in the United States on March 26, 2024 by Shelby
Size: King
Style: 12"
Pattern Name: Green Tea Cooling (Original Box)
8/31/17 | My initial impression of this mattress: 3 stars. I will update after sleeping on a while. I purchased the Zinus 12" Gel Infused mattress in size King. I got this mattress over a week ago, and immediately took it out and followed the directions for allowing it to expand. I let it sit in my guest room on the floor untouched for several days before I was ready to move it into place. It did grow to 12" tall, however some of the sides and corners are lumpy or not fully expanded. It also filled that room with a terrible chemical smell for about the first three days. I'm super glad I wasn't ready to use it right away because I would not have wanted to breathe in that smell all night long - can you say "headache." My first impression of the mattress is that it is of decent quality and pretty heavy duty. The mattress is covered with a really nice jacquard cover that looks very nice. I covered mine with a mattress protector right away to hopefully preserve it as long as posssible. Last night was our first night sleeping on the mattress, and it is MUCH HARDER than I had anticipated. I read from Zinus that this mattress is supposed to be a 6 on a scale of 1-10, 1 being the plushest, 10 being the firmest. A medium-firm mattress is what we seemed to gravitate toward when we try out mattresses in-store, so I thought we would be safe with this one. I'm not sure if it will take a week to break-in, I'm hoping it just needs a few days time to get a little softer, because it's just much too hard to me. I would hesitate to run and jump on this mattress for fear that it would hurt, that's how hard it is. I fear that with this company, no two mattresses are manufactured the same? Because how can so many people claim this mattress to be "soft"? It's just so far away from being anything close to "soft" in my opinion. It does seem to be good for the back, however. My boyfriend is about 215 lbs. and has frequent back pain from lifting weights, and he did comment how much better his back felt waking up this morning. I am 120 lbs. and have a lot of lower back and neck pain, and my back actually feels fine, but my neck is aching this morning. I will update that after giving it a weeks time. Some of our other issues were that we both sleep very hot and very restless. We needed something that stayed much cooler throughout the night and didn't transfer motion. This has seemed to check both of those boxes for us, which I'm really happy about. It slept noticeably cooler than the pillow-top we had been sleeping on, and neither of us felt the other moving around all night. Now if only it would soften up a little, I would give it 4 or 5 stars. Will update soon! 9/7/17 | WEEK 1 UPDATE: decided to give it 4 stars, overall. It doesn't seem to be "breaking in," but I suppose that would mean that the mattress is already breaking down, and would actually be a bad thing. I am, however, getting used to the firmness of it, and actually feel like I'm getting a great nights sleep. Additionally, my back pain is completely gone, and with it, many other little aches and pains I used to have CONSTANTLY. It's not placebo effect, because I absolutely hated this thing the first few nights. I have honestly noticed how much better I feel entirely, which has made me a happy consumer. I'm still debating if I should add a topper to it, but I'm afraid that will increase my back pain again. I'll let you know. I am still blown away at how cool this mattress sleeps, as well. My sheets get just warm enough to keep me at a comfortable room-temp throughout the night, but I don't wake up drenched in sweat anymore because of the oven that would form between my sheets with my old mattress. It's really comfortable, probably the most comfortable I've ever slept on, in respect to temperature and breathability. I'm keeping one star off because I just cannot imagine what a 7-10 on the firmness scale would feel like as compared to this one... I mean, would that mattress have to be made of cinder blocks? My gosh.
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Reviewed in the United States on August 31, 2017 by Andrea Nash