LUCID 4 Inch Gel Memory Foam Mattress Topper-Ventilated Design-Ultra Plush-Queen
Condition: New
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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
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
Sunday, Nov 9
Recently Viewed
Size: Queen
Style: 4 Inch
Pattern Name: Topper Only
Features
- Satin
- 4 inches of thick, plush gel memory foam add a soft and conforming feel that will result in a deeper sink that cradles your body more than a thinner topper
- Infused with gel material that captures and distributes heat for a cooler memory foam experience
- Ventilated design improves airflow and breathability
- Memory foam distributes weight evenly and conforms to curves to alleviate pressure points
- New foam scent is normal and will dissipate over the first 48 hours after opening; this product features a 3-year warranty
Description
Mattress Topper
Brand: LUCID
Color: Blue
Size: Queen
Fabric Type: Satin
Special Feature: Gel Memory Foam, Hypoallergenic, Moisture-Wicking
Brand: LUCID
Color: Blue
Size: Queen
Fabric Type: Satin
Special Feature: Gel Memory Foam, Hypoallergenic, Moisture-Wicking
Closure Type: Pull On
Product Care Instructions: Spot Clean Only
Water Resistance Level: Not Water Resistant
Age Range (Description): Child
Material: Memory Foam
Model Name: LU40QQ30GT
Number of Items: 1
Manufacturer: LUCID
UPC: 848971052051
Item Firmness Description: Extra Plush
Global Trade Identification Number: 51
Product Dimensions: 79 x 59 x 3 inches
Item Weight: 21.8 pounds
Item model number: LU40QQ30GT
Is Discontinued By Manufacturer: No
Refill: foam, gel, memory foam
Water resistant: not_water_resistant
Assembly required: No
Warranty Description: 3-year warranty against manufacturer's defects.
Batteries required: No
Included Components: Mattress Topper
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Nov 9
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.
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: 4 Inch
Pattern Name: Topper Only
I cannot say enough good things about this mattress topper — it completely transformed my bed. The 4-inch gel memory foam is ultra plush and makes my mattress feel like a luxury hotel bed. I sleep so much better now, and I wake up without the aches and stiffness I used to have. The ventilated design really helps keep it cool throughout the night, which is a huge plus since I’m usually a warm sleeper. It also expanded quickly right out of the packaging and didn’t have much of an odor, which I was worried about at first. If you’re on the fence, just do it! This is hands down my favorite purchase for my bedroom. It’s cozy, supportive, and worth every penny.
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Reviewed in the United States on September 4, 2025 by Taylor Marie Kirkman
Size: King
Style: 4 Inch
Pattern Name: Topper Only
Size & Weight I purchased the 4 inch Lucid topper for my 14 inch King Size mattress. It fits well to all 4 corners. The topper is kind of heavy but not impossible to move. According to the box, it weighs 26.85lbs. It will feel heavier because the object is large and the weight is spread over several square inches. To move it, Grip the topper firmly, but with care and you shouldn't get tears or any other issues. Authenticity First, be sure you are buying an Authentic Product from LUCID. It should come in a box marked with the company's name on it, see the images. Likely, some reviews could be showing a blue topper that looks similar to the Lucid Product but it may be a knock off. I've seen some that are light blue like Lucid's, but it isn't the same. It has a knock off name. According to the box, mine was manufactured in Vietnam and came with a booklet and a free mail/envelope opener. ( Should you buy, yours may be manufactured else where ) Packaging & Expansion. The images you see were taken 1 minute after I opening the vacuum bag. I should have taken an image of it in the bag. It was vacuumed down to about 1 inch of uniform thickness. The topper expanded rapidly after opening and it took about 1 minute to fully expand. Again this is a genuine Lucid product. I see of some reporting it taking days or several hours to expand and even having to place it in a higher temp environment for this to occur. My A/C was set at 72dgs and the room temp was the same. Still, it expanded in 1 minute, which is nearly instant. Smell The topper does have a light smell similar to new carpet but it isnt over powering and honestly, after about an hour or so after opening it, I could no longer detect the smell. Feel I chose the 4 inch because I like that " sink in your bed" feel, which can be great for reducing back and neck pain. The 4 inch is super plush. Because the 4 inch is the thickest and softest, you will sink the most. Some will like this and some won't. Some will mention they don't like crawling out of a hole in the bed...honestly I wouldn't want that either so for the best results, I added a plush pillow top sheet cover to mine. This keeps the soft sink feel but allows you to have no trouble getting out of the bed and I couldnt ask for a better combo. IT MADE MY CHEAP 14inch WALMART MATTRESS FEEL LIKE THE SIMMONS BEAUTY REST HOSPITALITY BEDS IN PREMIUM HOTELS! Both of these are breathable and cool so no night sweats! ( this may vary as no two people are the same ) Also if you sleep with a partner, movement on one side of the bed with this topper won't disturb! Final Recommendations I do not recommend buying this topper for completely worn out matresses, or Stomach sleepers unless you have full size body pillows. But if you sleep on your back or sides and you don't want any back pain and you love the sink in feel, then this is your topper. Also be sure to identify your comfort needs BEFORE you buy.
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Reviewed in the United States on September 18, 2025 by DD1550 DD1550
Size: King
Style: 4 Inch
Pattern Name: Topper Only
Absolutely totally impressed by Lucid’s customer service team!! Over the last 10 years or so, I have purchased 3, 4” toppers for my bed and 2 or 3 other mattress toppers (3” I believe)for other family members beds in my home. We have good mattresses, but the best way I have found to make them last COMFORTABLY longer is to put a memory foam mattress topper on them - As well as the fact that there is nothing better for a GREAT NIGHTS SLEEP than crawling and then up into a soft, comfy “feeling like you are sleeping on 12” of goose down comforters “ bed. Lucids’s 4” memory foam mattress does just that- makes your bed feel soft and warm and comfy a just as if you were sleeping on 12” of Goose down comforters! (Saying it’s like sleeping on a soft billowy cloud would be inaccurate- you’d fall through a soft billowy cloud & hit the ground like a brick. THAT doesn’t sound comfortable in the least!! 😂😂) So, if you like sleeping on a soft bed, the 4” is perfect!! So why is Lucid’s customer service so amazing? Well, just like every single other product in the world, occasionally one of those products will be defective or something just not right with it. It happens. No matter how great & amazing a company is, it’s pure naivety to believe that they will never ever have some sort of problem with one of the hundreds of thousands of individual products they sell. I don’t mean that every single one of a product they sell will have a problem, I am saying that 1 of the hundred thousands of one specific item will come off the factory floor as defective. In the situation I am referring to, that one item out of hundreds of thousands, happened to be the most recent of 3 of the 4” toppers I have purchased from Lucid. Building a great reputation for selling great products in various shapes and sizes is one thing. How your customer service department handles a situation when a customer contacts them saying that they are having problems with one of their products because that item is defective - THAT is how a company KEEPS their well earned great reputation. In full disclosure, I did have to contact them twice, but I honestly think that the first time I either put in the wrong reply email or the message portal on their website was not working properly- which honestly, with 99% of message portals and there being people writing about various things- compliments, curiosity and complaints as well as on occasion (yes it happens) competitors spamming message portals in an attempt to bog down customer service in order to make the department look ineffective, I personally think it’s better to just use the company’s customer service/information email, making sure that you write a brief description of your reason for contacting them IN ALL CAPS SO THAT THEY SEE IT PLAIN AS DAY! (Just a little advice from someone who has purchased far too many products online lol I am getting better at not doing that 😂😂 Anyways, customer service was amazing and went above and beyond. I emailed them explaining the problem, they wrote back requesting a couple pictures so they could see what I was explaining and to pass on those pictures to product quality control and then a reply stating that they had shipped me a replacement at zero cost to me. All within 3 days! Honestly, if I had sent pictures with my first email , it most likely would’ve been taken care of in one day, so the extra two days are on me! Thank you Lucid!! You have gained a loyal customer 😊
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Reviewed in the United States on August 11, 2025 by Burtice Wood
Size: Queen
Style: 3 Inch
Pattern Name: Topper Only
The full results are still out because I am waiting on my mattress topper cover. So far here is the review of this topper. It is very soft and cloud like sleep. It is very cozy. I have sever insomnia and work out alot so my muscles and bones get sore. This mattress helps alleviate the sore muscles and joint pain. However it is HOT. I sweat more with this topper. I am hoping the cover gives some relief of that. Otherwise, it is a very cushy nice comfort. If you run hot when you sleep, maybe check out another mattress topper or a cover that helps with any heat issues.
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Reviewed in the United States on July 8, 2025 by katherine