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frontpage Posted by JenT4685 • 3d ago

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frontpage Posted by JenT4685 • 3d ago

Cocoon by Sealy 12" Medium Hybrid Bed in a Box (Twin)

+ Free Shipping

$156

$399

60% off

Walmart

16 Comments 11,905 Views

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Walmart has Cocoon by Sealy 12" Medium Hybrid Bed in a Box (Twin) on clearance for $156. Shipping is free.

Thanks to Community Member JenT4685 for finding this deal.

Features:

Our Perfect Fit memory foam adapts & responds to the contours of your unique shape for a soft & supportive feel. Cushioning foam reduces motion transfer from your partner and prevents that "sinking" feeling, accommodating all adult sleepers.
Our Active Support Technology offers targeted support for your unique body size, shape, and sleep position. The fabric-encased coils transfer less motion for your best night's sleep.
Hybrid Quantum Edge Technology features a reinforced, steel perimeter for a consistent sleep surface, edge-to-edge —making your mattress feel bigger and getting up even easier.

Editor's Notes

Written by SubZero5 | Staff

About this Product:
- 10-year warranty
- This is rated 4.5 out of 5 stars based on over 500 ratings.
Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.

Original Post

Written by JenT4685

Walmart has Cocoon by Sealy 12" Medium Hybrid Bed in a Box (Twin) on clearance for $156. Shipping is free.

Thanks to Community Member JenT4685 for finding this deal.

Features:

Our Perfect Fit memory foam adapts & responds to the contours of your unique shape for a soft & supportive feel. Cushioning foam reduces motion transfer from your partner and prevents that "sinking" feeling, accommodating all adult sleepers.
Our Active Support Technology offers targeted support for your unique body size, shape, and sleep position. The fabric-encased coils transfer less motion for your best night's sleep.
Hybrid Quantum Edge Technology features a reinforced, steel perimeter for a consistent sleep surface, edge-to-edge —making your mattress feel bigger and getting up even easier.

Editor's Notes

Written by SubZero5 | Staff

About this Product:
- 10-year warranty
- This is rated 4.5 out of 5 stars based on over 500 ratings.
Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.

Original Post

Written by JenT4685

Deal Score

+23

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Model: Cocoon by Sealy 12" Medium Hybrid Bed in a Box, Twin, Adult

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Sort: Lowest to Highest | Last Updated 5/25/2025, 11:00 AM

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Top Comments

Jubers

https://help.cocoonbysealy.com/hc...fiberglass
"Our mattresses do not contain any form of fiberglass. The flame barrier used in every Cocoon™ by Sealy mattress is a rayon and polyester blend."

15 Comments

ronaldoomessiss

2d ago

15 Posts

Joined Jun 2018

2d ago

ronaldoomessiss

2d ago

15 Posts

Thanks for sharing. Got one! Will see if its good or not

asianguy30

2d ago

913 Posts

Joined Aug 2005

2d ago

asianguy30

2d ago

913 Posts

Quote from JenT4685

Bought this twin mattress a year ago for $344.

Really like it. Very comfortable. Im quite fluffy, and even for me I haven't had an issue with dipping. Thought I'd share, since it's on clearance for less than 50% of what I got it for.

https://www.walmart.com/ip/250037...759b8ab1b2

Looking for firm. How do you think of the back support?

risht

2d ago

79 Posts

Joined Sep 2016

2d ago

risht

2d ago

79 Posts

Reviews mention fiberglass and it being as hard as a rock. Pass

Jubers

2d ago

217 Posts

Joined Apr 2007

2d ago

Jubers

2d ago

217 Posts

Quote from risht

Reviews mention fiberglass and it being as hard as a rock. Pass

https://help.cocoonbysealy.com/hc...fiberglass
"Our mattresses do not contain any form of fiberglass. The flame barrier used in every Cocoon™ by Sealy mattress is a rayon and polyester blend."

FaithfulStep234

2d ago

15 Posts

Joined Dec 2019

2d ago

FaithfulStep234

2d ago

15 Posts

If I bought two of these can I replace the aging mattresses on my King Size bed? It has two independent power bases under two aging twin mattresses.

BUYMECAR

2d ago

2,254 Posts

Joined Dec 2014

2d ago

BUYMECAR

2d ago

2,254 Posts

Quote from FaithfulStep234

If I bought two of these can I replace the aging mattresses on my King Size bed? It has two independent power bases under two aging twin mattresses.

IIRC, 2 twin XLs fit a King bed

JPSftw!

Yesterday

3,250 Posts

Joined May 2006

Yesterday

JPSftw!

Yesterday

3,250 Posts

Our community has rated this post as helpful. If you agree, why not thank JPSftw!

FWIW, NapLab trashed this mattress and gave it their lowest ever review.

lonesurvivor9

Yesterday

301 Posts

Joined Nov 2018

Yesterday

lonesurvivor9

Yesterday

301 Posts

How is it compared to Sams members mark mattress

Superorb

Yesterday

17,988 Posts

Joined Sep 2006

Yesterday

Superorb

Yesterday

17,988 Posts

Quote from FaithfulStep234

If I bought two of these can I replace the aging mattresses on my King Size bed? It has two independent power bases under two aging twin mattresses.

Regular twins aren't as long, but 2 of them are the same width as a king. Two twin XLs are the same length but will be an inch or two wider when combined. This is what we did so we could have a king bed.

In Japanese homes the staircase would never allow a king mattress to go up it. Even some queens are a tough fit. I've seen some people use a small crane to get a king mattress through the upstairs sliding doors, so it is possible.

asianguy30

Yesterday

913 Posts

Joined Aug 2005

Yesterday

asianguy30

Yesterday

913 Posts

Quote from JPSftw!

FWIW, NapLab trashed this mattress and gave it their lowest ever review.

I can't find this specific model in NapLab site. I see a 10inch memory foam but this is 12 inch hybrid.

JPSftw!

Yesterday

3,250 Posts

Joined May 2006

Yesterday

JPSftw!

Yesterday

3,250 Posts

Quote from asianguy30

I can't find this specific model in NapLab site. I see a 10inch memory foam but this is 12 inch hybrid.

Good catch! I stand corrected here.

JenT4685

Original Poster

Pro

Yesterday

5,323 Posts

Joined Aug 2016

Yesterday

JenT4685

Original Poster

Pro

Yesterday

5,323 Posts

Quote from asianguy30

Looking for firm. How do you think of the back support?

I'd say it's pretty firm, especially for a hybrid. Probably 8/10 on firmness imo, and I'm damn near 300lbs and find it very supportive.

asianguy30

Yesterday

913 Posts

Joined Aug 2005

Yesterday

asianguy30

Yesterday

913 Posts

Quote from JenT4685

I'd say it's pretty firm, especially for a hybrid. Probably 8/10 on firmness imo, and I'm damn near 300lbs and find it very supportive.

Perfect.

claddaghmom

18h ago

1,772 Posts

Joined Aug 2009

18h ago

claddaghmom

18h ago

1,772 Posts

Found this for $100 at my store a couple months ago. My teen son seems to love it. It feels plush to me, not firm. No discernible smell of off gassing imo. I aired it out in my garage for awhile to see.