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Utopia Bedding

Utopia Bedding Duvet Insert, Cal King Size Comforter 96 x 102 Inches, White

Based on 114,510 reviews
Condition: New
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$51.49
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Availability: In Stock.
Fulfilled by Amazon
Arrives Wednesday, Nov 4
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At a glance

Condition
New
Color
White
Size
California King
Model
UB1319
Weight
5.7 lb
Material
Microfiber
Special Feature
Breathable, Durable, Soft
In the box
1 x California King Comforter

Features 5

  • California King Size Comforter: The duvet insert is sized at 96 102 inches for a clean, even drape, giving your bed that cozy, well-dressed look.
  • Cozy Comfort: Crafted with plush, breathable fabric and siliconized fiber filling that wrap you and your child in warmth and softness all night long.
  • Stays in Place: Convenient corner tabs allow you to easily attach the comforter to a duvet cover, keeping it evenly distributed and preventing annoying shifts during sleep.
  • Secure Box Stitching : Crisp piped edges and a classic box stitch pattern keep the fill evenly distributed through the night, preventing any shifting or clumping so comfort stays consistent corner to corner.

Specs 35

Material Microfiber
Color White
Brand Utopia Bedding
Special Feature Breathable, Durable, Soft
Style Modern
Style Name Modern
Blanket Form Comforter
Theme Plain

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Nov 4

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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Top Amazon Reviews

Great comforter
Color: White Size: King
I love this comforter! The color is beautiful and looks exactly as pictured. It is soft, lightweight, and comfortable while still keeping me warm at night. The fabric feels nice and has held up well after washing. It adds a fresh, cozy look to my bedroom and is a great value for the price.
Reviewed in the United States on June 26, 2026 by Carina cast
Great Quality, Lightweight All Season Comforter
Color: White Size: Full
If you’re searching for a reliable, day-to-day comforter that covers all seasons without feeling bulky, the Utopia Bedding Comforter in Full Size is a smart pick. Right out of the package it felt soft and inviting, with a loft that adds just enough warmth without turning the bed into a sauna. I found it strikes a sweet balance: warm enough for cooler nights, but light enough to stay comfortable when things heat up. The stitching is neat, the fill distributes evenly (no bunching or cold spots so far), and the fabric has held up well with regular washing. It gives the bed a clean, finished look and pairs nicely with a duvet cover or simply used on its own. On the flip side, if you live somewhere with long, frigid winters or your thermostat drops low at night, you might find it doesn’t offer the deep down-comforter “hug” that heavier silky or down models provide. Overall: great value, dependable comfort all year round, especially if you want something that won’t weigh you down or overheat you. ... show more
Reviewed in the United States on November 20, 2025 by Sara
Lightweight, Comfortable All-Season Comforter for Everyday Use
Color: Black Size: Queen
Review Image by Kamran Khan
After using this comforter for a few months now, I've found it very comfortable overall. While it is lightweight, it does provide adequate warmth on those cooler evenings. I do appreciate that it doesn't trap too much heat, meaning I've been able to use it comfortably in many different temperatures. The fabric of this comforter is soft, and it was very fluffy when I received it and ready to use. The design is quite simple and clean, with box-stitching to keep the filling in place; I did notice some spots where the filling does not seem to be filling evenly, but it has not affected how I feel about the comforter or how I have used it. It is easy to pull apart on the bed, so it doesn't feel bulky while making a bed. Because it is affordable and high quality, I think this is a good option if you are looking for low-maintenance comfort throughout the year. If you are looking for something that is thick and heavy like those found in hotel rooms, then this comforter may not be thick enough for your needs. ... show more
Reviewed in the United States on March 24, 2026 by Kamran Khan
fluffy, cool, not light - one catch
Color: White Size: Queen
Review Image by Jacob Richardson
the one catch it it probably isnt the most durable and long lasting, just because the quality of the material isnt the greatest, just solid but besides that this is really good. it was super hard to find the following: my wife wanted it to be fluffy so that it would look nice on our bed - we wanted it to not bee light, so many of these are light if they are cool and we like the weight of a real comforter on us - most importantly i wanted it to be cool and not hot, and this is a cool blanket that doesnt trap in heat much at all, KEEPS US VERY COOl which was super important the white is a nice color, it fits true to size, and really is a great value for the money. it is also pretty portable ... show more
Reviewed in the United States on July 30, 2026 by Jacob Richardson
LOOOOOOOOOOVED this so much bought 3 more!!!!
Color: Navy Size: Queen
Our beloved comforter of more than a decade died. The fabric was LITERALLY WEARING out in some places. it was time. We were sad. So during oen of the Prime Days we went looking... Saw this and did my research. Read the reviews, looked at the ratings. It wasn't super pricy and all looked good so thought "why not?" at most would cost us the equivalent of a pair of take out meals.... Here we are 9+ months later. It is exactly the same as it was the day we got it. We love it! LOOOOOOOOOOOOOOOVE it!!!! Now for movie nights, it gets pulled out for couch duty. it has been so wildly successful that other family members have asked for and received their own comforters in the color and size of their preference. Let's hack our way through the jungle of pros: - Great temp meaning can use regardless of season. In summer lightly spread across you = gives you a light cover that is cool to touch when lay down. In winter, bundle up and feel cocooned in warmth after your body heat reflects back. - It is light weight-wise. Our previous down alternative comforter was really winter only and that thing weighed POUNDS when you were trying to stuff it into the top of the closet for summer storage.. This REALLY came into play when washing. While both comforters are machine washable - the old one was like lugging a summer camp trunk around. THIS comforter is NOT heavy when washing. - YOU CAN MACHINE WASH THIS BAD BOY!!!! Note: the Queen size is the absolute max I'd feel comfy washing in my washing machine. Would DEFINATELY go to a bigger machine at the laundromat for king size, but I HAVE done a queen in our home machine. Watched carefully and sometimes did a rinse cycle first to dampen it before reg wash - sometimes would do an extra rinse/drain cycles when done... all depends....The twin size, however, was such a piece of cake and just washed as regular..... - Color fast. Granted, only ever washed by self - but color has stayed true and no fading at this time what so ever. - Good quality fabric. No pilling or tears. Smooth, extremely soft. Very comfortable and, as mentioned above, can lend itself to different temperature needs (just decide if wrapping self up or would rather have a single layer lightly covering yourself) - The filling has stayed in place: no clumping. It has remained fluffy. At one point someone had the bright idea of folding it over and putting it on the couch and THEN laying on it.....OMG!!!!! Now, remember you've been warned that this is kinda a touch too hot to do in the dead middle of a heat wave, but when you do do this, IT IS LIKE BUTTER!!!!!! I now know what it feels to lay in a cloud - it was a game changer..... movie night an all new experience let me tell you!!!!! - Size is correct. They aren't cutting corners or skimping - it's true to size. When it arrives it will come in a small rectangular cube - even the Queen size. You will be extremely worried and panicked that they've taken your money and sent you a child size instead of what you wanted/ordered. No worries - all will be ok. CAREFULLY cut out of plastic wrapping and let sit out for a bit. Follow directions. It'll be ready to go in no time and be the correct size. - FLUFFY OVERLOAD! The ONE downside when you're dealing with Queen/King sizes is that this comforters is FLUFFY!!!!!! You'll be trying to keep from touching the ground, but it will pile so high can't really see where you're going. All ok. The great news is that it is easy to carry because it is the weight equivalent of a load of bubbles. Even better, IF you need to store it just get a vacuum bag and this will shrink to practically nothing. ... show more
Reviewed in the United States on July 2, 2026 by 4th Musketeer
SO GLAD I bought this comforter! LOVE it!
Color: White Size: King
Review Image by AnileyR
Review Image by AnileyR
OK so I’m going to be honest.... I had to leave a review for this item. I shop a lot on Amazon and most of the things that I buy I really like and I end up keeping them,however, I don’t leave a review for most of the stuff I buy because let’s be real I just don’t have the time to write reviews about everything I get. However, I strongly felt that I had to write a review about this comforter. The color is white, not yellow-ish or off-white but a true, bright white. It is extremely soft, fluffy, and cozy. For the first few days, I used it WITHOUT a duvet cover and it looked and felt amazing. After a few days I decided to buy the duvet cover for it (same brand) because I didn't want to have to wash the comforter often, so I figured it would be easier to have a duvet on it that I could just take off and wash. But let me make this clear: you can use this with or without a duvet cover and it is still great!!! The most important thing that I love about this comforter is that it keeps me warm at night without making me hot. Prior to buying this comforter my boyfriend and I slept with a sheet and two comforters because he used to get really cold at night and just one comforter wasn’t enough. When I bought this comforter I wanted to try it by itself so I put away the two comforters that we had on the bed and just kept the sheet and this comforter. That night my boyfriend was a little hesitant he asked me to bring back the two comforters just in case he got cold during the night. I told him just to give it a try because I wanted to see if just the comforter would be enough. The next morning when we woke up my boyfriend looked extremely pleased and said that he had the best night sleep he had in a long time and he said that we didn’t need the other two comforters anymore so I went ahead and donated the other two comforters and just kept this one :) Let me tell you this thing is awesome I swear it keeps us warm but not hot at all it is like the perfect body temperature for sleeping and I literally feel like I am sleeping surrounded by a fluffy white cloud. I feel like I am on vacation, staying at a 5 star hotel room bed in my own room!!! This thing has changed my life :) Every time I enter my bedroom and I look at my bed it makes me want to take a nap! It is just fabulous. I guess the other thing I should mention is that my dog absolutely loves this comforter too!! My dog sleeps with us every night and sometimes we can feel him moving around in the middle of the night trying to get comfortable, however, ever since I got this comforter, my dog has been sleeping through the night. I no longer feel him moving around trying to find a comfy spot on the bed. He looks relaxed lying on the comforter :) ... show more
Reviewed in the United States on February 20, 2018 by AnileyR
Soft, Fluffy & Perfect for Year-Round Use
Color: White Size: Queen
I’m very happy with this comforter. It’s soft, lightweight, and fluffy without feeling too heavy or overly hot, making it great for all seasons. It gives the bed a clean, cozy hotel-like look and fits nicely inside a duvet cover thanks to the corner tabs. The box stitching helps keep everything evenly distributed, so it doesn’t bunch up after washing. It also washes well and comes out looking nice and fluffy again. For the price, the quality exceeded my expectations. Comfortable, breathable, and a great everyday comforter. ... show more
Reviewed in the United States on May 12, 2026 by Ryan Ortiz
perfect for tall people or people who want to feel small
Color: White Size: California King
The Utopia bed cover in California king size is a total game changer for sleep. I’m a tall guy at 6’8 and finding bedding that actually covers me all the way is a pain, but this cover has plenty of room to spare. It spreads wide across the bed and hangs down nicely on the sides so I don’t wake up with cold feet or shoulders sticking out. The size alone makes it worth it, but the comfort takes it to another level. The bed cover is super warm without feeling heavy. On cold nights it keeps the chill out fast, and even when the heater’s off I stay cozy all night. The material feels soft and smooth, not scratchy like some other big blankets. It’s got a nice weight that makes it feel snug, but it’s not so thick that you overheat. For someone my height, it’s a relief to finally have something that covers everything without having to tug it around. The bed cover comfort is amazing after a long day. The bed cover feels soft enough to relax into but still strong and well made, so it doesn’t bunch up or slide around easy. It holds the warmth steady so you stay comfy till morning. The bed cover size means there’s plenty of room to share too, and it still feels like you got your own space. For the price, the bed cover is a perfect buy. It’s warm, big, and super comfortable, everything you need for a great night’s sleep. If you’re tall or just like extra space and a cozy feel, the bed cover is a great choice. Honestly I can’t find much to complane about, the bed cover just makes sleeping way easyer and way more relaxing. ... show more
Reviewed in the United States on September 24, 2025 by Terry Seifman
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