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Full Mattress in a Box, 6 inch Mattresses for Platform Bed Double Size Daybed Bunk, Memory Foam Medium Firm

Full Mattress in a Box, 6 inch Mattresses for Platform Bed Double Size Daybed Bunk, Memory Foam Medium Firm

4.1· 153 ratings

Best price now

$105.99at AmazonObserved at 11:28 PM

44% under what the other stores charge

Compared across 3 stores. Prices are checked against each store and labelled with when.

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Our take on the Full Mattress in a Box, 6 inch Mattresses for Platform Bed Double Size Daybed Bunk, Memory Foam Medium Firm

This is a 6-inch full-size memory foam mattress sold rolled and vacuum-sealed in a box. It is listed as medium firm, with gel-infused foam and a cotton-polyester knit cover. The 75 by 38 inch size fits a full bed, daybed or trundle. At $105.99 at Amazon as of November 4, 2026, it is the lowest new price among the three stores that carry it.

Best forKids' rooms and bunk or trundle setupsGuest rooms and daybedsShoppers on a tight budgetBack and stomach sleepers who want firm support
Pros
  • Low price for a full-size foam mattress
  • Gel-infused foam aimed at sleeping cooler
  • CertiPUR-US certified foam
  • Fiberglass-free flame-retardant inner cover
  • Ships compressed in a box; easy to move upstairs
Cons
  • Only 6 inches thick, so limited cushioning
  • Firm feel may be too hard for side sleepers
  • Needs 24 to 72 hours to expand after unboxing
  • Thin profile may not suit heavy adults

Full Mattress in a Box, 6 inch Mattresses for Platform Bed Double Size Daybed Bunk, Memory Foam Medium Firm prices at every store

  • The Home DepotNew

    In stock

    $189.50Free shippingObserved at 11:28 PM
    Visit store
  • Casa LioraNew

    In stockReturn policy

    $240.94Observed at 11:28 PM
    Visit store
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $105.99Free shippingObserved at 11:28 PM
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Also available at

  • DwellinhausCheck price at Dwellinhaus
  • HomeHaven StoreCheck price at HomeHaven Store
  • Studio LivingCheck price at Studio Living
  • Haven & HearthCheck price at Haven & Hearth

Full Mattress in a Box, 6 inch Mattresses for Platform Bed Double Size Daybed Bunk, Memory Foam Medium Firm price history

Lowest price we've seen: $105.99 on Nov 4 at Amazon. Tracked across 2 stores since Nov 4.

What reviewers say

Rated 4.1 out of 5 from 153 ratings. Buyers generally describe it as a firm, budget-friendly mattress that works well for kids and guest beds. Some find it harder than expected and note a new-foam smell at first.

Pros
  • Good value for the price
  • Firm support that suits kids and back sleepers
  • Expands to full size within a day or two
Cons
  • Firmer than the medium-firm label suggests
  • Initial off-gassing smell
  • Thin padding over the foam core

About the Full Mattress in a Box, 6 inch Mattresses for Platform Bed Double Size Daybed Bunk, Memory Foam Medium Firm

About This

• 8% Polyester,92% Cotton

• General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding.

• Made in the USA.Medium-Firm Feel - medium-firm is supportive for most body types and sleep positions. Too-soft mattresses don’t give proper support and can cause back problems in the long run. Too-hard mattresses don’t provide pressure point relief. The sweet point is our medium-firm (6-7 out of 10 on the firmness level scale) mattress strikes the right balance between comfort and support and promotes better sleep.

• Gel Infused - our foam is infused with a cooling gel that helps in dissipating heat, allowing you to sleep cool while retaining memory foam’s original body-conforming and pressure-relieving features.

• CertiPUR-US Certified - all foam used in our mattresses are made without ozone depleters and maintain CertiPUR-US Safety Standards of textile articles at all stages of production. It will have minimal off-gassing, or “new mattress” smell when brought into your home.

• Fiberglass-Free FR Inner Cover - the rib fabric, 92% Cotton, 8% Polyester, provides a safe, effective flame retardant layer around our mattresses, without the negative aspects of fiberglass and other fire-retardant chemicals. No skin irritation, no breathing problems, and no health risks for you and your family — so you can truly rest easy at night.

Overview

• Brand : MLILY

• Size : Full

• Product Dimensions : 75"L x 54"W x 6"Th

• Top Style : Tight Top

• Cover Material : Cotton-Polyester Blend

• Number of Layers : 1

• Fill Material : Memory Foam

• Special Feature : Made in the USA

• Color : White

• Model Name : ME5-311-6FULL

• Item Weight

25 Pounds : Item Firmness Description

Medium Firm

• : Item Weight

25 Pounds

• : Item Firmness Description

Specifications

Firmness Level
Firm
Mattress Type
Memory Foam
Type
Mattress
Length
75 in
Width
38 in
Certifications
CertiPUR-US Certified
Foundation Type
All bed types (including daybeds or trundles)

Questions and answers

Is this mattress worth it?
At $105.99 at Amazon as of November 4, 2026, it is a low-cost option for a child's room, daybed or guest bed. It is not built for heavy daily use by adults who want plush comfort.
How firm is it really?
The listing calls it medium firm, about 6 to 7 out of 10. Owners often describe it as on the firm side, so side sleepers may want a topper.
How long until it fully expands?
Allow 24 to 72 hours. Expansion is faster in a warm room and slower in a cold one.
Does it fit a standard full bed frame?
Yes. It measures 75 by 38 inches, the standard full size, and works on platform beds, daybeds and trundles.
Does it contain fiberglass?
No. The flame-retardant inner cover is a cotton-polyester fabric instead of a fiberglass sock.
When is it cheapest?
Prices on boxed foam mattresses often dip during holiday sales and back-to-school events. Check the price history before buying.
Where is the Full Mattress in a Box, 6 inch Mattresses for Platform Bed Double Size Daybed Bunk, Memory Foam Medium Firm cheapest?
At Amazon, for $105.99, 44% under what the other stores charge, as of our latest check.
What do buyers say about the Full Mattress in a Box, 6 inch Mattresses for Platform Bed Double Size Daybed Bunk, Memory Foam Medium Firm?
Rated 4.1 out of 5 from 153 ratings.
Where can I buy the Full Mattress in a Box, 6 inch Mattresses for Platform Bed Double Size Daybed Bunk, Memory Foam Medium Firm?
7 stores we checked sell it, including The Home Depot, Amazon, Casa Liora, Dwellinhaus, HomeHaven Store.

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Core Material
Foam
Cover Material
Knit
Material
Foam
Fill Material
Memory Foam
Fill Type
Memory Foam
Fill Style
Firm
Construction Highlights
Rolled, Compressed, Vacuum-sealed
For Kids
Yes
Typical Users
Children
Age Range
Kids, Child, Young adults
Solution For
Pressure point relief