InnerSpace 4.5-inch Memory Foam Full-size Sofa Sleeper Mattress

by Innerspace
Today:$27599
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ITEM# 13368401
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Details

ITEM#: 13368401

This Innerspace memory foam mattress provides a solution to the uncomfortable sofa bed mattress. This memory foam mattress is designed to provide you and your guests with the best night's sleep possible.

  • Materials: 3-inch polyurethane base foam and 1.5 inches of high-density visco elastic memory foam
  • Density: 2.5 lbs
  • Memory foam is resistant to dust mites and is naturally antimicrobial
  • Temperature sensitive foam adjusts to your body temperature so you stay warm
  • Improves circulation
  • Eliminates motion transfer
  • Never needs turning
  • Disperses your weight evenly
  • Designed for use with sofa beds
  • Meets all flammability standards
  • Organic cotton stretch knit cover included
  • Cover care instructions: Dry clean
  • Mattress only, sofa not included

Dimensions
  • Standard full: 4.5 inches high x 52 inches wide x 72 inches long
  • Wide full: 4.5 inches high x 54 inches wide x 72 inches long

Memory Foam Tips:
  • Remove from packaging within 72 hours to maximize expansion.
  • This product arrives very tightly packed. Unwrap and allow 48 hours for this product to return to its original shape.
  • Being sealed in plastic packaging sometimes traps odors. After unwrapping, allow product to air for a few hours.
  • Due to machine-cutting manufacturing processes, there may be slight variances in the dimensions of this product.


The firmness level of every item is unique. Please be advised that even similar products may produce different firmness results.



Once opened this product is non-returnable.



Please note: This is the mattress only. Sofa is not included.

White Glove Mattress deliveries require a 4-hour window to complete delivery; this includes carrying the mattress inside, unpacking it, simple set-up in the designated room, and removal of packing materials. Please check here for our most up-to-date White Glove information.

Memory Foam Details:
  • Resistant to dust mites, naturally antimicrobial
  • Temperature-smart memory foam responds to body heat and movement, reshaping to distribute body weight and relieve pressure points to improve circulation
  • Never needs turning

Memory Foam Tips:
  • Conveniently arrives tightly packed in portable box.
  • Remove from packaging within 72 hours to maximize expansion.
  • You can sleep on it the same night it is unwrapped, however allow 48 hours to fully return to its original shape.
  • Vacuum sealing sometimes traps odors. After unwrapping, air for a few hours to eliminate trapped odors.
  • Due to machine-cutting manufacturing processes, there may be slight variances in the dimensions of this product.


Due to the nature of memory foam, the firmness level of similar products may produce different firmness results.

Once opened this product is non-returnable.

Specs

Features
Mattress Type Memory Foam
Thickness Under 6 Inch
Memory Foam Type Foam, Memory Foam
Support Medium
Mattress Top Tight Top
Mattress Support Cushion Firm
Other Types Sofa Bed Mattresses
Product Features Adjustable Bed, Hypoallergenic, Mattress in a Box
Useful Link Mattresses and Memory Foam
Dimensions 52.0x72.0x4.5
Warranty 10 year Limited Manufacturer
Model Number SM-5272-OSK
Country of Origin United States
  • A nice upgrade
    Verified Purchase
    Option: Full 52 in. x 72 in.

    I haven't slept on this myself, but my parents recently visited and slept on the mattress and reported it was a big improvement over the coiled spring mattress that came with the sleeper sofa. My father, who has had back surgery and is not slight of build, reported that he couldn't "feel the bar" and had no problems overnight which was quite a change from past visits. My sleeper sofa had smaller dimensions so my choice of mattresses was limited but I am very happy with this purchase, I would certainly buy it again. I am rating this 4 starts only because I don't have first-hand experience sleeping on this item but am sure it is at least "good".

    Read More
  • ***
    Verified Purchase
    Option: Full 52 in. x 72 in.

    I thought that base foam was denser and harder so that the support wires don't come through. I used the cardboard it came in to slide under the mattress when I use it. I would have perfered one inch of memory foam and the rest high density. But the boy thinks it is cool, a big improvement over his spring one so I let him think it is the best ever.....can't send these back so make sure you get what you want.

    Read More
  • Truly comfortable
    Verified Purchase
    Option: Full 52 in. x 72 in.

    I could sleep on this as well as on a thicker mattress -- good quality, and very little smell (so the sleeper isn't poisoning herself). On the other hand, I couldn't fold it into my sleep sofa. Too thick and unyielding? Or is this sofa bed made only for its original airbed? However, I'm keeping it, because it's much more comfortable to actually sleep on. (Storing it when not in use for sleeping.)

    Read More
  • still don't have the right product
    Verified Purchase
    Option: Wide Full

    I ordered the mattress before thanksgiving, so I would have it for my house guests. Well it is coming up on christmas and I still don't have the right product! The first mattress was too big and the second one was too small! The funny part was, the box said it was the product I had ordered! The mattress' I received, seemed to be of good quality, but I am still waiting for the right one....hopefully the guests I have for christmas will be able to test it out!

    Read More
  • Inner space sofa mattress
    Verified Purchase
    Option: Queen 60 in. x 72 in.

    This is a great product!!!

    Read More
  • great foam mattress
    Verified Purchase
    Option: Full 52 in. x 72 in.

    The mattress was a replacement for a sofa sleeper coil mattress. The new mattress is well made. We are presently using it every day, although that will not continue much longer. This is the second mattress. The first one was damaged. When I contacted Overstock they immediately sent a replacement and gave me a return label for free shipping back to them. That is all that should be inspected.The experience was very good.

    Read More
  • Comfortable
    Verified Purchase
    Option: Full 52 in. x 72 in.

    Mattress is very comfortable. It's super soft, so if you need something with a bit of firmness, purchase a different mattress. My only complaint would be the strong scent of the plastic the mattress arrives wrapped in. The scent stays in the mattress for a few weeks (and even permeates through the sheets)!

    Read More
  • Sofa bed is like new!
    Verified Purchase
    Option: Full 52 in. x 72 in.

    This replacement mattress for my sofa bed transformed it into a very comfortable bed for visiting guests. The memory foam is very comfortable to sleep upon, and it folds up effortlessly when it is time to put it away. I have had positive feedback from my guests as to the comfort of the mattress, which is a huge improvement in response as compared to the mattress it replaced. I am very happy with this purchase!

    Read More
  • totally unbelievable
    Verified Purchase
    Option: Full 52 in. x 72 in.

    When I first received this item I thought oh great this is going to be returned. This mattress is so comfortable it is totally unbelievable I would rather sleep on it rather than my own bed. My 6' grandson loves it.

    Read More
  • Hello backpain.
    Verified Purchase
    Option: Full 52 in. x 72 in.

    I was really disappointed with this mattress. I did not send it back simply because packaging it up and shiping it would be a nigthmare. I had a very comfortable mattress that got moldy because I left my dehumidifyer in the basement off by accident. I wish I still had that mattress. This mattress would probably be comfortable on a floor as extra coushioning for a sleep over with kids, but for adults no. I felt the bar on my pullout sofa and slept awful. I am not an overweight person by any means so I was very disappointed. Don't buy this mattress!!

    Read More
  • A nice upgrade
    Verified Purchase
    Option: Full 52 in. x 72 in.

    I haven't slept on this myself, but my parents recently visited and slept on the mattress and reported it was a big improvement over the coiled spring mattress that came with the sleeper sofa. My father, who has had back surgery and is not slight of build, reported that he couldn't "feel the bar" and had no problems overnight which was quite a change from past visits. My sleeper sofa had smaller dimensions so my choice of mattresses was limited but I am very happy with this purchase, I would certainly buy it again. I am rating this 4 starts only because I don't have first-hand experience sleeping on this item but am sure it is at least "good".

    Read More
  • totally unbelievable
    Verified Purchase
    Option: Full 52 in. x 72 in.

    When I first received this item I thought oh great this is going to be returned. This mattress is so comfortable it is totally unbelievable I would rather sleep on it rather than my own bed. My 6' grandson loves it.

    Read More
  • cc
    Verified Purchase
    Option: Full 52 in. x 72 in.

    Great ! Fit was perfect the package was compressed and very easy to handel. My 13 year old sofa bed is more comfortable than it has ever been.

    Read More
  • not memory foam
    Verified Purchase
    Option: Wide Full

    never return back to the original thickness as it said .

    Read More
  • Truly comfortable
    Verified Purchase
    Option: Full 52 in. x 72 in.

    I could sleep on this as well as on a thicker mattress -- good quality, and very little smell (so the sleeper isn't poisoning herself). On the other hand, I couldn't fold it into my sleep sofa. Too thick and unyielding? Or is this sofa bed made only for its original airbed? However, I'm keeping it, because it's much more comfortable to actually sleep on. (Storing it when not in use for sleeping.)

    Read More
  • Perfect
    Verified Purchase
    Option: Full 52 in. x 72 in.

    This is exactly what we were looking for. We were worried the mattress would be too big or too small, however it fits perfectly and is very comfortable!

    Read More
  • Comfortable
    Verified Purchase
    Option: Full 52 in. x 72 in.

    Mattress is very comfortable. It's super soft, so if you need something with a bit of firmness, purchase a different mattress. My only complaint would be the strong scent of the plastic the mattress arrives wrapped in. The scent stays in the mattress for a few weeks (and even permeates through the sheets)!

    Read More
  • Delightful replacement for 40-year-old mattress
    Verified Purchase
    Option: Wide Full

    This mattress is a wonderful change from our 40-year-old (used only for guests or sick days) mattress. The mattress is firm, has excellent support, and fit right into the frame. We needed the wider version to fit our frame and were thankful that was offered.

    Read More
  • ***
    Verified Purchase
    Option: Full 52 in. x 72 in.

    I thought that base foam was denser and harder so that the support wires don't come through. I used the cardboard it came in to slide under the mattress when I use it. I would have perfered one inch of memory foam and the rest high density. But the boy thinks it is cool, a big improvement over his spring one so I let him think it is the best ever.....can't send these back so make sure you get what you want.

    Read More
  • Sofa SLeeper
    Verified Purchase
    Option: Full 52 in. x 72 in.

    Very comfortable, almost better than the mattress on the bed in my bedroom.

    Read More
  • Verified Purchase
    Option: Queen 60 in. x 72 in.

    This user earned $1.00 in rewards for writing this review.Learn More

    Need a thicker choice ,eg 6.5” , still could feel center bar but much better than briefly used sofa bed mattress.This was a gift to my son,dil for Christmas 2017. Got to sleep on it two nights but they had friends sleep over remarked best sofa bed they ever slept 🛏 n. my son of course,clarified ,it’s not the bed; it’s the mattress;););)

    Read More
  • Verified Purchase
    Option: Queen 60 in. x 72 in.

    This user earned $1.00 in rewards for writing this review.Learn More

    I don’t know how you can not like this mattress. It’s so comfortable. It is much softer than our king size memory foam mattress in our room, wich is on the firmer side. But I love both. Delivered super fast couldn’t be happier.

    Read More
  • Inner space sofa mattress
    Verified Purchase
    Option: Queen 60 in. x 72 in.

    This is a great product!!!

    Read More
  • Comfy
    Verified Purchase
    Option: Full 52 in. x 72 in.

    Bought for my RV sofa bed. Guests have claimed its very comfortable.

    Read More
  • Mattress
    Verified Purchase
    Option: Full 52 in. x 72 in.

    Comfortable but after a while the bar in the sofa can be feeling.lt. I would recommend turning the mattress regularly.

    Read More
  • ....
    Verified Purchase
    Option: Queen 60 in. x 72 in.

    Just what we expected. Worked great with new sleeper sofa. Guest will love laying on this mattress.

    Read More
  • so much better than a spring mattress
    Verified Purchase
    Option: Queen 64 in. x 72 in.

    I highly recommend these memory foan mattresses for pull out couches. Great improvement from the flimsy spring mattress that they come with

    Read More
  • Convertible sofa mattress
    Verified Purchase
    Option: Full 52 in. x 72 in.

    Very comfortable a great way to have guests be comfortable but not saty too long.

    Read More
  • Sofa sleeper mattress
    Verified Purchase
    Option: Wide Full

    Thisis a very good mattress for a sofa sleeper.Very comfortable

    Read More
  • Sofa bed is like new!
    Verified Purchase
    Option: Full 52 in. x 72 in.

    This replacement mattress for my sofa bed transformed it into a very comfortable bed for visiting guests. The memory foam is very comfortable to sleep upon, and it folds up effortlessly when it is time to put it away. I have had positive feedback from my guests as to the comfort of the mattress, which is a huge improvement in response as compared to the mattress it replaced. I am very happy with this purchase!

    Read More

Questions & Answers

  • Q:

    "Where can I get this exactly sofa or the mattress come with the sofa?"

    • A:

      This is a sofa mattress.

  • Q:

    "Is this item whole sofa with the mattress or just the mattress Thank you !!"

    • A:

      Is this item whole sofa with the mattress or just the mattress

  • Q:

    "Why did you choose this product?"

    • A:

      Great product,great price!

    • A:

      It appears to be more comfortable than the one it is replacing.

    • A:

      The actual mattress in our sleep sofa is unbearable, we hope that this will make a big difference for our guests.

    Read more Read less
  • Q:

    "Innerspace shows "made in the USA" but are the components, including the foam and memory foam made in the USA?"

    • A:

      Hello shskipper, this sofa sleeper is made in the US. I hope this information helps you, have a great day!

  • Q:

    "Hello- What is the weight of the foam mattress?"

    • A:

      Thank you for your question. This is 28 pounds.

  • Q:

    "What are the dimensions of the couch? I see the dimensions for the mattress but not the couch."

    • A:

      The dimensions are : 52.0x72.0x4.5

    • A:

      what is the entire weight of couch and mattress and does couch come apart to get it in the home

    Read more Read less
  • Q:

    "Should I leave the stretch knit cover on the mattress? If so, should I remove the staples that secure it to the mattress?"

    • A:

      The cover is meant to be removeable as it has care instructions. Therefore, you will need to remove the staples.

Shopping Tips & Inspiration

Shipping & Returns

Contact Information

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.