Serta Perfect Sleeper Liberation Cushion Firm Queen-size Mattress and Box Spring Set

by Serta
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ITEM# 13687359
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ITEM#: 13687359

The first official mattress of the National Sleep Foundation designed to help solve many of the most common causes of poor sleep including tossing and turning, lack of back support, sleeping too hot or too cold, partner disturbance, sagging or edge failure.

  • Set includes: Mattress, foundation
  • Construction: Firm
  • Support: Medium firm
  • Materials: Memory foam, cotton, foam, fiber, wood, steel
  • Awarded a Consumers Digest 'Best Buy'
  • Visco-elastic Memory Foam gently conforms to your body to reduce the pressure points
  • Serta's exclusive Continuous Support Innerspring provides superior support to maintain proper spinal alignment
  • Total Edge Foam Encasement prevents sagging at the mattress edges.
  • Meets all federal flammability standards with Serta's patented FireBlocker system.


  • Mattress set: 22 inches high x 60 inches wide x 79.5 inches long
  • Mattress: 13 inches high x 60 inches wide x 79.5 inches long
  • Foundation: 9 inches high or Low Profile 5 inches high x 60 inches wide x 79.5 inches long

White glove home deliveries require a 4-hour window to complete delivery; this includes delivery of the mattress, set-up in the room of your choice, removal of all packaging and debris and removal of your old mattress upon request. Please note that there is no surcharge for additional flights of stairs. You will be contacted by the home delivery agent when the product is ready for delivery (typically 1 to 3 weeks), we recommend requesting product removal at the same time you schedule your home delivery appointment.

30-Day Comfort Guarantee - If you are not satisfied with your purchase within 30 days, you may return your order for a refund less a re-stocking fee. After 30 days, the mattress cannot be returned.


Mattress Type Innerspring, Memory Foam
Thickness 13 Inch
Mattress Top Plush Top
Mattress Support Firm, Medium
Dimensions See product description
Warranty 10 year Limited Manufacturer
Model Number 175141850
Country of Origin United States

Customer Reviews

5 Stars
4 Stars
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1 Stars
  • Most Recent

  • Value for money
    Verified Purchase

    This set has lasted us 5+ years and still going strong! Durable and well made, this one's a keeper.

    Read More
    RMC1230 Jul 26, 2017
  • Still wonderful after a few years!
    Verified Purchase

    I still love this mattress after having it for a few years. Would buy it again in a heartbeat! Great price, very comfortable and good support!

    Read More
    asleepy1 Feb 23, 2017
  • Great mattress- Very Firm
    Verified Purchase

    My husband and I bought this mattress four years ago when we first moved in together as our main bed. It was great for us for about a year and then we upgraded to a King. We still own this mattress and have it in our guest bedroom. It is very firm (how we like our mattresses) and great quality for the price. If you prefer a little more cushion you could always add a mattress pad. We just have a thin mattress cover on it plus the fitted sheet and it's great for a guest bed or your every night bed. I would highly recommend it.

    Read More
    Elizabeth H. Aug 15, 2016
  • Perfect fit
    Verified Purchase

    This bed is great for people who love firm mattresses...i had a pillow top and could not sleep good...then i purchased this one...great ,great night sleep....

    Read More
    DELLIA B. Apr 26, 2016
  • Has Held Up Well
    Verified Purchase

    I've had this mattress set for over 2 years and it is holding up well. I did put a medium-thickness topper on the mattress, as it was just a little too hard for me. I spend a lot of time in bed, sitting up reading and doing computer work and I have not noticed any indentation on the spot where I sit (I weigh about 150 lbs).

    Read More
    califaloha Nov 12, 2015
  • Most Helpful

  • This mattress right for us.
    Verified Purchase

    This mattress is exactly what we wanted. It is firm without being hard. It supports the body very well. It is very comfortable. One can sit on the side of the mattress without it collapsing. The cover is good material. We are very happy with this mattress. Thank you.

    Read More
    montanamel01 Nov 25, 2011
    Verified Purchase

    I'm so BLESSED and Grateful for this set. I'm the kind of person that will pray on large purchases and let the heaven's above do the rest. And, I've NEVER been let down! The reviews were good , but I think this set is better than I could have ever dreamed... Thank you OVERSTOCK for offering this set at an AMAZING PRICE!! I would have paid over $1000.00 + in a mattress store or warehouse for this type of set. Not to mention, the delivery fee that would have been attached.The delivery was very professional, and within the time frame quoted. And, they cleaned up everything before leaving my house. I could not be happier. Oh, before I forget the firmness is just what I needed for my back!!! MUCH LOVE OVERSTOCK, GLENDA

    Read More
    glenda1919 May 15, 2012
  • Serta Perfect Sleeper - Liberation Firm
    Verified Purchase

    This is a very firm mattress so I got a feather topper and couldn't be happier! The perfect bed , to me, is a firm cloud. Alot of support with the softness of down on top....AAHHHHH!!!!!!

    Read More
    seabeaner Apr 14, 2012
  • Great mattress set
    Verified Purchase

    This mattress is very comfortable, we got it after discovering I was pregnant with twins. I spent most of my whole first trimester sleeping on it and it is a great investment. Being 28 weeks pregnant with twins I still sleep decently on the mattress set.

    Read More
    chensley Jul 26, 2012
  • Good Night Sleep
    Verified Purchase

    Serta Perfect Sleeper Liberation Cushion Firm Queeze-size mattress is a firm bed but with extra cushion that make it not too firm. At first, I couldn't get use to the cushion but after a few nights I got use to it. The cushion provides the extra support that I needed without wrapping up my body like a memory form bed would. The price on Overstock was great and the white glove delivery was excellent. They took the bed all the way up to my 3rd floor apt and there are no elevator. A similar bed like this in Macys would cost me $800. The bed did sit very high with the box spring on my sleigh bed. I'm 5'4 and the bed was to my bottom when standing next to it. Didn't like that at first but I got use to it now. Actually, I kind of like it now because I could get on and off the bed without having to bend over or anything :) I'm very happy with my purchase and I'm getting a good night sleep.

    Read More
    wendy111 Aug 21, 2012

Questions & Answers

  • Q:

    "What does low Profile set mean?"

    • A:

      Thank you for your interest for the Serta Perfect Sleeper Liberation Cushion Firm Queen-size Mattress and Box Spring Set. The height of a standard box spring is approximately 9 inches. The low profile box spring measures approximately 5 inches. Both offer the same support you need for a good night’s sleep. Low profile box springs are a great option for people who have high bed frames or are purchasing a very tall mattress. I hope this information is helpful.

  • Q:

    "What is the coil count for this mattress?"

    • A:

      The coil count is 532.

  • Q:

    "what is the memory foam density per SF?"

    • A:

      The density of this item is 1.5 pounds per cubic foot.

  • Q:

    "What is the difference in a split foundation and a regular foundation as far as comfort?"

    • A:

      There is no difference in comfort.

  • Q:

    "Can I order without a boxspring?"

    • A:

      This item can only be purchased as a set.

  • Q:

    "Does it squeak?"

    • A:

      This item comes new and unused, it should not squeak.

Shopping Tips & Inspiration

Shipping & Returns

Contact Information
1-4 week delivery after the item ships:**

Delivered by freight carrier. See Oversized Item Delivery Policy.

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.
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This item cannot be shipped to Alaska or Hawaii. More details

Oversized Item Delivery Policy:

This item will be shipped via freight carrier to your home, excluding rural routes, remote areas not in close proximity to areas commonly serviced by freight carriers, islands, APO/FPO addresses, P.O. Boxes, Alaska and Hawaii. Please provide your daytime and evening phone numbers during check out so our carrier can contact you to schedule delivery. Refer to our Oversized Item Delivery Policy for additional information.
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.