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Serta Deluxe 12-inch Twin-size Memory Foam Mattress

by Serta
Today: $349.99
MSRP: $689.99 $340.00 (49%) off
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ITEM# 15847536
Included Warranty: 20 year Limited Manufacturer
Select an option before changing warranty
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    ITEM#: 15847536

    Experience deeply restful sleep as you lay on this 12-inch memory foam mattress. With three premium foam layers for maximum support, this deluxe memory foam mattress conforms to your body and delivers superior comfort night after peaceful night. Designed to work with your existing box spring, this mattress is easy to install. 

    • Twin-size
    • Premium, 3-layer design
    • 12 inches thick
    • Quilted cover 
    • 3 pound density memory foam
    • Evenly distributes body weight
    • Minimizes impact of sleep partner's movements
    • Resistant to dust mites
    • Naturally antimicrobial
    • Cradles body to reduce pressure points
    • Adjusts to body temperature
    • Improves circulation
    • Never needs turning
    • Can be used with existing frame
    • Great for platform beds and slatted frames
    • Spot clean only
    • Assembled in the USA

    • 2.5-inch top layer premium memory foam for cradling comfort
    • 2.5-inch middle layer air channel foam for breathability, customized support
    • 7-inch base layer support foam for stability, long lasting durability
    • Twin measures 12 inches high x 39 inches wide x 75 inches long

    Memory Foam Tips:
    • Remove from packaging within 72 hours to maximize foam expansion.
    • This product arrives very tightly packed. Unwrap and allow 48 hours to return to its original shape.
    • Being sealed in plastic packaging sometimes traps odors. Allow product to air for a few hours.

    Once opened this product is non-returnable.


    Mattress Type Foam, Memory Foam
    Thickness 12 Inch
    Memory Foam Type Memory Foam
    Density 3 Pound
    Support Medium
    Mattress Top Quilted, Specialty, Tight Top
    Product Features Antimicrobial, Bed in a Box, No-Flip
    Recommended Foundation Type Bed Slats, Box Spring, Platform
    Size Twin
    Dimensions See Details
    Warranty 20 year Limited Manufacturer
    Model Number MT43870TW3L
    Country of Origin United States

    Customer Reviews

    5 Stars
    4 Stars
    3 Stars
    2 Stars
    1 Stars
    • Most Recent

    • Bonny. NurseDecoratorMother
      Verified Purchase

      These mattresses ( I bought two twin), were shipped in a rectangular box. Opened box and once you cut protective plastic off mattress it slowly unfolds and opens. Very easy to remove from box and set up. No smell, no mess. THE most comfortable mattress I have EVER slept on. Bought for 2 twin beds for granddaughters bedroom at our house and I cannot wait to replace our mattress with a queen size of this mattress. Amazing value and quality

      Read More
    • Best mattress
      Verified Purchase

      Love this mattress! It is just right in firmness and it came in a timely manner.

      Read More
    • My 10 yr old son loves this bed
      Verified Purchase

      You cannot beat the quality, you can see on the tag that it was manufactured the day after we paid for it. shipping was quick. It is plush and firm, but not too firm. Great made in USA product.

      Read More
    • Very comfortable
      Verified Purchase

      My son loves it and I've fallen asleep on it a few times and sleep like a log! I'm going to by a king size for myself!

      Read More
    • Mrs Fixit
      Verified Purchase

      Good, firm mattress. Perfect for my needs.

      Read More
    • Most Helpful

    • guest bed
      Verified Purchase

      bought this as a guest bed for the holidays. My brother slept on it during Thanksgiving and my father who has a bad back slept on it for a week and they both said it slept great. This is the reason why we bought this in a king for my husband and I.

      Read More
    • PlumCheryl
      Verified Purchase

      Very comfortable mattress! Molds to the body, but is not too soft.

      Read More
    • Comfortable memory foam
      Verified Purchase

      I put these mattresses in twin beds in the guest bedroom. My college-age and young adults kids say it is comfortable . They're happy with them when they visit .

      Read More
    • This is the second Foam Mattress we've bought!
      Verified Purchase

      We love this mattress. Bought it for our daughter's new studio apartment. It is firm and comfortable providing a restful night's sleep. We are considering replacing our traditional queen size mattress set with this memory foam mattress. We feel it is the same quality as the brands sold at local Mattress Stores but at at 80% less than their cost!

      Read More
    • Not what I thought I was getting
      Verified Purchase

      Mattress was firm not what I thought I was buying. I was looking for soft

      Read More

    Questions & Answers

    • Q:

      "can this be used on a daybed?"

      • A:

        Hello natshopper, yes, just as long as it fits within the dimensions!

    • Q:

      "Why did you choose this product?"

      • A:

        Good reviews, needed a twin mattress.

      • A:

        i already have a Queen Size. there was no full size here.

      • A:

        The Serta name.

      • A:

        to fit the day bed

      • A:

        Good reviews, I checked out the same. Mattress in store and talk to the sales rep, very much was recommended

      • A:

        had good reviwes

      • A:

        Currently own an older Serta foam mattress and the reviews were excellent.

      Read more Read less
    • Q:

      "do I need a box spring with this?"

      • A:

        Hello Roddybody44! This lovely mattress is great for platform beds and slatted frames, where a box spring is not required.Thanks for shopping with us!

      • A:

        no i hAVE it on my sons captains bed which is just slats

      • A:

        No- don't need one, have it on a loft bed and no need for box spring

      Read more Read less

    Shopping Tips & Inspiration

    Shipping & Returns

    Contact Information

    Usually leaves our warehouse in 1-2 business days. *

    Shipping Information:

    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.
    Standard shipping details
    Expedited shipping details

    Mattress Return Policy:

    Mattress Sets are non-returnable upon signature at delivery. Mattresses are non-returnable if opened or taken out of their plastic wrapping.
    More Details

    For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

    ** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.


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