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Serta Rejuvenator Dual-layer 4-inch Memory Foam Mattress Topper

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ITEM# 11397732
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    Serta Rejuvenator Dual-layer 4-inch Memory Foam Mattress Topper
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    ITEM#: 11397732

    Use this mattress topper to extend the life of your mattress and add an addition layer of comfort to your bed. This memory foam mattress topper adjusts to your body, reduces pressure points and improves circulation, ensuring you sleep comfortably. As this four-inch mattress topper is hypoallergenic and antimicrobial, it repels dust mites and reduces allergic reactions.

    • Assembled in the USA
    • 1.5-inch premium memory foam top layer
    • 2.5-inch premium base layer for superior support
    • Optimal balance of comfort plus enhanced support
    • Relieves pressure points for less tossing and turning
    • Adapts to your body for pain-free, deep sleep
    • Improves circulation
    • Durable, holds its shape
    • Extends the life of your mattress

      • Twin: 37 inches wide x 72 inches long
      • Full: 51 inches wide x 72 inches
      • Queen: 58 inches wide x 77 inches long
      • King: 76 inches wide x 77 inches long
      • Cal King: 70 inches wide x 80 inches long

      Memory Foam Tips:
    • Remove from packaging within 72 hours of receipt to maximize memory foam expansion
    • This product arrives tightly packed in a box sized to be portable; once you unwrap it, you can sleep on it the same night, although it may take 48 hours to return fully to its original shape.
    • Memory foam is inherently comfortable and supportive, no matter how firm it feels; similar items can vary in firmness due to the nature of the foam
    • Product is vacuum sealed at the factory for efficient shipping; vacuum sealing sometimes traps odors, but once opened, a few hours of airing will usually remove the odor
    • Due to machine-cutting manufacturing processes, there may be slight variances in the dimensions of this product.

    Once opened this product is non-returnable.


    Type Mattress Topper
    Thickness 4 Inch
    Memory Foam Type Memory Foam
    Density 3 Pound
    Firmness Medium
    Holiday Deal Doorbusters
    Product Features Antimicrobial Hypoallergenic
    Dimensions See details
    Model Number MPKK354

    Customer Reviews

    5 Stars
    4 Stars
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    2 Stars
    1 Stars
    • very nice

      Worked exactly right for my purposes.

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    • Gayla S

      We bought this to use on our RV mattress and boy did it make a difference. I slept like a log

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    • DJS

      Very good price! helped my bed feel soifter

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    • Cozy sleeping

      This has changed my sleep. Regardless of the mattress, it adds a layer of firm and yet oh so cozy comfort. It's fantastic!

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    • Love love love it ................

      Serta is a premier brand for mattress' and they did not fail with the introduction of this mattress topper. Excellent quality and will last many years providing a needed extra top to our mattress.

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    • read the print

      It states 4 in memory foam topper, however only an inch to an inch and a half is actually memory foam. The other 2 1/2 to 3 inches is just regular cheap foam. If you really want a good memory foam pay the extra 50 bucks and get the full 4 inch memory foam.

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    • Fantastic!

      This is our second one - we bought a too hard mattress for home and this saved it - then we had to move temporarily for my husband's job and moved into a very nice furnished apartment - but we were there 4 months when I went home for a visit (slept in our bed @home) and realized just how awful the bed at our temp apt was - bought another one of these and I am sleeping great!! You could put this thing on the floor and sleep great! Didn't smell - unrolled it at 3m and put it on bed at 6pm - slept on it that night. Can't say enough - you won't regret this buy! Even my husband who like firm - loves this - I like soft and it is great for us both.

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    • Topper of memory foam is ONLY 1-1/2"

      I have purchased Serta memory foam toppers over the years as they wear out. I did not notice the smaller print that the memory foam was so thin. Instead of 4" of memory foam as this topper should be, Serta has decided to cheapen this topper by using regular foam with a thin layer of memory foam on the top of it, and only on one side to boot. Even sorrier of Serta is the fact that they do not cut the king size true to the shape of a king size mattress. They cheat you out of a good 3", which for tall people that need every inch of a king size, means your feet hang off the topper. Way to go corporate America (Serta)! Cheapen your products, charge more, and pocket the huge profits!!!

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    • Serta Memory Foam

      I was not pleased with the one ounce memory foam topper as it has limited quality for support. I wish I had done my homework to locate atleast a five ounce or even nine ounce memory foam. I predict that afer one month or less, I will not even know there is a topper on my bed. This has been a poor purchase, in my opinion.

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    • Superior sleep aid

      I have been looking at these foam mattress toppers for a year and finally decided that it was worth it to try one rather than buy a new mattress. It came tightly wrapped in plastic and I unwound it on the floor and let it sit as the instructions stated for 24 hours.One of the main things I noticed was there was "no smell" to this product. I have a keen sense of smell and would not be able to use it if there was a chemical smell on it. We put it on our king size bed under the fitted mattress cover and it fit fine. It made our bed seems much higher but the sheets fit too.After the first night I felt an amazing difference when I woke up. Being skeptical, I waited for another night to see if my husband felt the way I did. We both agreed that we were waking up without the usual back aches and pains we had been experiencing. We both are sleeping better and waking up refreshed after a good nights sleep.We are thrilled with it and highly recommend this mattress topper to anyone!

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    Questions & Answers

    Get your product questions answered right here.
    • can this topper be cut to custom fit the back of a suv/station wagon?

      • Hello bluegrass, yes you could cut this. Once this item is altered it is non returnable. Have a great day!

    • Why did you choose this product?

      • To extend the life of our present mattress

      • A friend's recommendation

      • solid foam no egg cart

      • Serta is a great brand and 4" seems like that will greatly add to our overall comfort.

      • Good value for the price


      • Because of the reviews

      • Had bought one in 2008 and was very satisfied.

      • Because I have another one

      • rating

      • So I can sleep better and for higher quality of sleep. Hopefully. It had 5 stars.

      • For back pain relief while sleeping.

      • I am replacing two and buying two as gifts.

      • A friend loves her mattress topper. Can't let her have all the fun!

      • I liked the two layer idea.

      • Because I had ordered this topper for another bed and liked it

      • We have an RV that has a terrible mattress on the sofa bed. I bought this so hopefully it will make sleeping much more comfortable.

      • really needed a topper that would support my bad back and knees.

      • Because I need my bed to have more cushion.

      • Very comfortable topper! Feels really good at the end of a long hard day! This is my second order for this topper. First one lasted for 6 years. My husband has a bad hip and feels it helps tremendously with the pain.

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    • I thought the mattress topper came with a fitted cover and was very disappointed that it didn't. Was I wrong to expect a cover?

      • Hello ptaormina, we apologize for any confusion. We do include in the description whether it comes with a cover. This item does not include a cover, but should cover easily with your mattress pad. Depending on the height of your mattress, you might need to go with a deep pocket mattress pad cover. Thank you for shopping with us.

    • Can this topper be stored by rolling it up? Will it bounce back after being stored for months?

      • Hello crow201, the topper can be rolled for storage and it will recover to its intended shape once unrolled for use. Thanks for shopping with us!

    • can a memory foam mattress be used on top of a water bed?

      • Hello dalecarlson, yes a memory foam mattress can be used on top of a water bed. However, that would defeat the purpose of a water bed, and it may move around much more than it would on a regular mattress. Thank you for shopping with us!

    • What is the material of the lower layer? I know the top layer is viscoelastic foam, but the base is listed as "superior base foam". I'm looking for a dual-layer latex + viscoelastic topper. I'm guessing this is not that?

      • Hello davidahn, no, this is not a latex topper. All foam in this product is polyurethane. Thank you for shopping with us!

    • We received this topper for our king size bed as a gift. We currently use a heated mattress pad, I was wondering if it was safe to put the memory foam topper down, then the heated pad, then our regular sheets.

      • Hello Kailyn.789, using this item with a heating pad, it is recommended to use have it powered on low to medium heat and limiting use for 30 minutes. I hope this helps and thank you for shopping with us.

    • what is the acuall weight of a queen?

      • Hello cpm1972, the queen size weighs approximately 24 pounds. Thank you for shopping with us.

    • Is this topper 2 separate pieces or 1? What's the density?

      • Hello jennifers1330, this is one piece and is a 3 lb density.Thanks for shopping with us! A.S.

      • It is one piece and it is 3.5 to 4" thick. It is so comfortable. I love mine.

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    • Is this topper CertiPUR-US certified?

      • Hello Natalia, this topper is Certipur US Certified. Thank you for shopping with us! A.C.

    • Is it fire resistant?

      • Hello lienka, this mattress is fire resistant. Thanks for shopping with us! Amanda

    • Or, what if I just used this mattress directly on my hardwood floor? (I am small, i weight less than 100 lb). Would it be enough that i would not "bottom out?"

      • The only way to know for sure is just try it and see, but I think it would be comfortable with your weight.

      • Thank you for your inquiry, zixa. Unfortunately, we do not weight test our items. We apologize for any inconvenience. Please let us know if you have any other questions. Thank you for shopping with us.

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    • Is there a product warranty on this mattress?

      • I don't know about the warranty, but I have had this topper for over 5 years, and it is still incredibly comfortable! I just bought another one for my guest bedroom. I would recommend buying this, with or without warranty!

      • Hello thewad1, we received an update to your inquiry and the item does not include a warranty. We apologize for any confusion. Thank you for shopping with us.

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    • Hi, I am trying to decide between the Serta Rejuvenator Dual-layer 4-inch Memory Foam Mattress Topper, and the Serta Ultimate 4-inch Visco Memory Foam Mattress Topper. So i see that the first is dual-layer, which i heard was good for extra support. Bu the second is an extra pound of density, being 4 lb instead of only 3 lb. So I don't know which advantage is better! Anyone have knowledge on these points? Thanks!

      • Thank you for your inquiry, zixa. We are unable to determine which advantage is better, but the difference in these toppers is that Serta Ultimate 4-inch Visco Memory Foam Mattress Topper is a bit more firm. We hope this helps. Thank you for shopping with us.

      • I'm just taking an educated guess here, but I have the dual-layer topper and it's wonderful. I've had it five years and it's still as good as ever. BUT...the Visco memory foam is newer technology so an improvement over what I have. Either way, I can promise you you'll get many nights of great sleep...they make that much difference!

      • thanks paminthegrove for your reply! just wondering also if you can let me know your thoughts on this: the dual-layer option might be better on the hardwood floor rather than placed onto my lumpy bottomed-out (non-memory foam) mattress? as the underside might be more stiff being not the memory-foam , and therefore might sill be uneven? The other option i think might be, i get the Ultimate 4-inch Visco Memory Foam choice, and use it on my lumpy mattress, it being the memory-kind with more "give" on the bottom side, which might fill in the gaps to make it all more even? In which case, i've got the extra cushioning by using both mattresses?

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    • Could you put this directly on top of a box spring?

      • Hello elc280, yes you could put this over a box spring. I don't know how comfortable it will be though. Have a great day!

      • Only if you weigh 95lbs. otherwise you sink to deeply. Perhaps on a box spring with actual springs, or you'll feel the box spring and putting it on a mattress you sink even further.

      • No.

      • yes

      • Yes

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    • is this a firm topper

      • Not really. I put it over a too firm biomedical mattress. It is now perfect in my guest room. I have 2 temperpedic mattress and this is every bit as good. Very nice. Guests love it.

      • no

      • Not too firm & not mushy

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    • which side goes on top, the small 1.5 inch side or the larger?

      • The small 1.5 inch.

      • I think the 1.5 inch

      • Hi steadygal, the thinner 1.5 inch side goes on top and the thicker 2.5 inch side is the bottom. Thanks for shopping with us.

      • smaller side with memory foam

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    • What is the benefit if having 2 topers rather than 1 if they both equal 4 inches.

      • Hello forever1118, I think that would just be the same as having a 4 inch topper. Have a great day!

      • Depends on which topper you are talking about. 2 4" toppers can move from each other unless you have a pad to put over both.

      • It shouldn't matter, but rather convenience. I found it nice to have this particular combo.

      • would see no benefit. only need one.

      • I just got my topper and I am able to sleep with comfort and get out of bed without a sciatica attack. I just have one

      • Not sure we bought the 4 inch and it is awesome.

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    • I have a too soft mattress. Can I remove the mattress and put the 4" Rejuvenator on the box springs and have a firm but comfortable solution?

      • Hi overwhelmedbernie, while this may work we can't tell how comfortable it will be for you. In this scenario this is a good choice for a thick topper. We hope this helps you. Thanks for shopping with us.

      • I wouldn't we put ours on top of a cheap camper mattress that we could feel the springs through and it felt like a new, expensive mattress.

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    • can I put this topper on any matress?????

      • buy the right size and you can.

      • I tried it---I think the 4 inches may be just too much...kind of felt like sleeping in mud and was difficult to turn over. Finally took it off and gave it away...

      • yes

      • Yes, that is what I did. It works fine.

      • works great on my older mattress. feels like new! i move around alot in my sleep, so have to adjust it frequently. like sleeping on a giant marshmellow. would buy it agin.

      • Not on a pillow top

      • I used it on my older mattress instead of buying a new mattress and it does a wonderful job of support and comfort.

      Read more Read less

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    Standard Return Policy:

    Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

    FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

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    Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
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    ** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.

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