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🛏️ Elevate your sleep game with sleek strength and effortless style!
The Mellow 12" Metal Platform Bed Frame combines heavy-duty alloy steel construction with a noise-free, quick-lock assembly system. Its modern 12-inch low-profile design eliminates the need for a box spring while providing ample under-bed storage. Engineered for durability and silent support, this king-size frame supports up to 500 lbs with ease, making it perfect for professionals seeking both style and substance in their bedroom setup.











| Best Sellers Rank | #1,048,142 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #3,854 in Bed Frames |
| Color | Black |
| Customer Reviews | 4.5 out of 5 stars 5,927 Reviews |
| Material | Alloy Steel |
| Product Dimensions | 79.5"L x 75.5"W x 12"H |
| Size | 12 Inch |
| Special Feature | Durability |
| Style | King |
J**H
Dumbest assembly ever - and that doesn't mean what you think.
Alright, so we'll get this out of the way first - this is the dumbest assembly ever. And by "dumbest", I mean that you and five other people could be sharing a brain cell and this would still take one person thirty minutes to construct. Maybe. Probably less. I stopped using the instructions a minute in, only referring back to them once to see where the long screws went. Seriously, there's twenty pieces and half of them are slats. But. What you get for minimal effort and a low parts count is one sturdy-ass bed frame. It's surprisingly light, able to be slid around to your preferred position with ease. The grippy tape is a bonus, keeps everything from sliding around. Looks great - very minimal, very industrial. Plenty of storage under the bed (I purchased the 12" model). The whole thing arrived in great shape, no nicks or scratches. The package was actually a box-inside-a-box for added protection, and everything was pristine. Assembly took longer than expected due to wiring some RGB under the frame (I am VERY extra). I'm a bigger fellow (slightly north of 300) and the frame has not even budged. I will report back once I've tried non-sleep activities on it (you know what I'm talking about, don't play coy).
V**A
ACTUALLY STURDY
Great sturdy bed. Doesn't make rickety noises at night or even during the roughest of activities. It was pretty easy to assemble, you just have to really read the directions before starting and lining up the pieces before screwing them together helps a lot. We've had this bed for a few months now and haven't had to tighten things. It's low to the ground, but even without a box spring is at a great height to flop onto after a long day. It feels really strong, my partner and I can move on the bed with our cat and dont feel the bars bending or giving at all. I'm saying this because both of us together are just under 500lbs. This is a great bed for larger people, or people who are going to be rough with the bed. I did a lot of research before hand and couldn't be happier. I will update if anything changes. It's also just like the picture and looks great.
L**2
Keep the 3/16th hex key it comes with!
We’ve had this bed frame for about nine months now and we’ve used it under our Indigo brand king sized mattress. Our Indigo bed was one of those “bed in a box,” beds so it unfolded out perfectly onto the frame once I assembled it. The king sized mattress fits perfectly as well. It was fairly easy to assemble, maybe took me an hour or so by myself and the slats were so easy to just pop in. I HIGHLY recommend keeping the little hex key tool that it comes with to screw it all together but if you misplace it like I did, the size was 3/16th and I was able to get a $5 pack of multiple sizes of hex keys from my local Home Depot. I’m fairly petite (110lbs) while my boyfriend is about 170lbs and this bed has stayed very sturdy in the last nine months. We started noticing tiny creaks within the last few months but just moved last weekend which involved transporting the frame on its own in the bed of our friend’s pickup truck (it was a short-distance move). After sleeping on it for a week moved into our new place, I’ve noticed very loud creaking throughout the night as we toss and turn which led me to buy another hex key just to tighten up each screw. I’ve rolled around on it and it’s once again very quiet and study! Keep the hex key in case it starts to creak, it just needs a little tightening! Great subtle style as well. Love the bed frame.
V**L
Still sturdy and quiet after years of use
I bought this bed frame back on February 18, 2020, and it has held up incredibly well. I originally chose it because I wanted something simple, sturdy, and easy to assemble without needing a box spring. It delivered on all of that and more. Assembly was quick — everything fit together cleanly, and the instructions were straightforward. Once it was set up, the frame felt solid right away, and years later it’s still just as sturdy. No wobbling, no sagging, and surprisingly, no squeaking. The steel slats support the mattress really well, and the height is perfect for storage underneath without being too tall. Pros: • Extremely sturdy even after years of daily use • No squeaking or shifting • Easy assembly • Great support without a box spring • Good height for under‑bed storage • Simple, clean design Cons: • Corners are sharp if you bump into them • Mattress may slide slightly without a grip pad Would I buy it again: Absolutely — it’s one of the most reliable and low‑maintenance bed frames I’ve owned.
A**™
So Pretty...
This frame is super sturdy and super quiet. I have a large wood bed with a huge headboard that connects to the frame (see photo) so when assembled it's all one giant piece. The wood boards that my mattress and box springs rested on just weren't giving me enough support. I didn't realize it until I got an expensive new mattress a few years ago and still wasn't feeling any of the benefits of it. I recently moved and decided to trade the wood boards for this frame at my new place and it was a great decision! It's so pretty that I would use it even if it wasn't hidden within my frame where you can barely see it. And, I'm glad the dimensions were perfect to do so. It does not budge and barely squeaks ever. The price was right and I can't get over how attractive it is. It may outlive this bed and I'll just get a giant, pretty, girlie headboard. I've attached a photo of what my bed looks like and the boards that were replaced (although, mine were much bigger). So, if you have a bed made similarly — low profile or platform), you can safely replace whatever you're using to support your mattress and box spring and rest assured that it will fit inside (just measure in advance).
K**E
UPDATE *Taps mic* “THIS ONE IS FOR THE FAT GIRLS.”
**UPDATE** I’ve had this frame for 2.5 years, and over the past couple of weeks my mattress has been sagging slightly, and when I moved the frame to vacuum I heard a clanging sound… Assumed that—most certainly—I had finally broken this frame due to my weight. After I lifted the mattress to check out the damage, I was shocked to find that the center support had merely fallen off: from my most recent move, it appears that the movers didn’t tighten the support center bolts when reassembling the frame! Ten minutes of realigning bars and tightening bolts, this frame remains good as new: a totally unexpected delight. I’m updating this review laying on my mattress, once again fully supported with no sagging… if you’re reading this? Buy it. An exceptionally made product underscored by sustaining no damage even without the center support beam attached for a spell. (Former Review) I have elected to sleep with a mattress on the floor for the majority of the past seven years after three ill-fated moments featuring a bed frame from IKEA (particle board snapped clear through when I sat on it), one of the so called “heavy-duty” fold out frames (endless creaking), and my last investment in 2015 of another “heavy-duty” frame where the slats cracked literally on the first night. I currently weigh ~400+ pounds, and most frames cannot handle the static weight of a singular body of this mass plus the weight of a mattress due to stress points and poor manufacturing. I’ve waited a couple of months to provide feedback on this piece... let me tell you, this frame is THE ONE. 1) There is no creaking or squeaking. 2) The foundation is supported 360-degrees with welding, so the weight distribution is phenomenal. 3) The middle bar and legs have not cracked, bent, or warped (likely due to the exterior construction), and at the 30-day mark when I removed the mattress to tighten up the bolts for preventive maintenance, they had hardly loosened at all, indicating very little frame motion impact with my body weight. I live with a disability that is physically kicking my a** due to balance and coordination issues, and the ability to get in and out of bed easier and safer—vs. when the mattress was on the ground—is life changing. It’s so much nicer to leave rehabilitative physical therapy and crawl into a bed that is higher off the floor... and not have to worry about something snapping. Don’t hesitate. Assembly was a breeze... and it looks good, too.
A**R
Long lasting
I’ve had this bed frame for a full bed since Fall 2022. Finally letting it go just to get a queen sized bed because I have two sweet pups. I am 5’10 and am plus sized. This bed frame never once creaked, broke, or loosened in the last near 3 years. It’s still extremely sturdy and looks like new.
G**A
(Full sized 12 inch) Assembly is as easy as “Paint by numbers”
Don’t worry if the box comes damaged… the bedframe is packed very well. It’s double boxed and separated by foam so even if the outside box is damaged, your bed should be fine. The assembly was quite easy even for me. I am a 47 year old female, 5‘2“ and 110 pounds. I am fit, but I’m not brawny. The assembly itself was easy, but I did huff and puff a little bit and sweat a lot! The bed is inexpensive, but it doesn’t look inexpensive. All the pieces are well-made with no sharp edges to catch your shins during the night. The finish is matte and slightly texturized so that there won’t be any scratches. The screws, which come with an Allen wrench are big and nice looking even though you won’t see them. Back to the assembly it is like paint by numbers. Basically you just match the numbers and connect at those points. Very simple to understand. Please excuse the pictures. I am not the best bed maker and I don’t have the nicest bed clothes because, well, dog and cat, you know. I like my beds to be against walls because I like to make the most of the space that I have. This bed is very easy to move around so that you can change the sheets. This is a very nice looking bad very modern and minimalist.
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