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Deal.ai › Twin Mattresses
SUBFUN
Subfun 6" Twin Mattress

Subfun 6" Twin Mattress

4.4(438 ratings)

Best price now

$83.99at WalmartChecked Nov 8

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Price facts

  • Last seen at $83.99 at Walmart on Nov 8.

Our take on the Subfun 6" Twin Mattress

The Subfun 6" Twin Mattress is a low-profile foam mattress for bunk beds, trundles, daybeds and guest rooms. It pairs cooling gel memory foam with a high-density foam base and is fiberglass-free and CertiPUR-US certified. At 6 inches it is thinner than most standard 8- to 10-inch foam mattresses, so it suits lighter sleepers and tight frames more than heavy adults wanting deep support. Buyers rate it 4.4 out of 5 across 438 ratings, with comfort and value praised and firmness and durability the common complaints.

Best forBunk beds and trundles with low railsGuest rooms and kids' roomsShoppers wanting a fiberglass-free foam mattressBack and side sleepers of light to average weight
Pros
  • Cooling gel memory foam layer
  • Fiberglass-free construction
  • CertiPUR-US certified foams
  • High-density support base
  • 10-year warranty
  • Low 6-inch profile fits bunks and trundles
Cons
  • Thin 6-inch build offers limited support for heavy adults
  • Some owners find it firmer than expected
  • May need time to fully expand after unboxing
  • Less edge support than thicker mattresses

Subfun 6" Twin Mattress prices at every store

  • WalmartNew

    In stockSold by TechFormaReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $83.99Free shippingChecked Nov 8
    Visit Walmart

What reviewers say

  • 4.4 / 5438 ratings

Owners rate the Subfun 6" Twin at 4.4 out of 5 and mostly praise its comfort, cooling feel and fit in bunk beds. Complaints center on firmness and how well it holds up over time.

What people mention
  • ComfortPraisedOwners describe it as comfortable, especially for kids and guest beds.
  • CoolingPraisedThe gel memory foam is reported to sleep cooler than plain foam.
  • FirmnessMixedSome find it firmer than expected, others say it softens over time.
  • ThicknessCriticisedHeavier sleepers say the 6-inch profile feels thin and lacks support.
  • DurabilityCriticisedA few owners report it losing shape after months of use.
  • SetupPraisedBuyers say it expands and is ready to use quickly after unboxing.

About the Subfun 6" Twin Mattress

The Subfun 6" Twin Mattress is a memory foam mattress built with a cooling gel memory foam layer over a supportive high-density foam base. It is designed to give support to the back, hips and shoulders.

The mattress is fiberglass-free and CertiPUR-US certified. It has a 10-year warranty.

Size
Twin
Thickness
6 in
Color
White
Comfort layer
Cooling gel memory foam
Base
High-density foam
Certification
CertiPUR-US certified
Fiberglass
Fiberglass-free
Warranty
10 years

Specifications

bed_size
TwinSource
mattress_thickness
6 inSource
color
WhiteSource

Questions and answers

Is the Subfun 6" Twin Mattress good for bunk beds?
Yes. Its 6-inch profile keeps kids safely below bunk rails and fits trundles and low frames that thicker mattresses won't.
Does it contain fiberglass?
No. Subfun states the mattress is fiberglass-free and its foams are CertiPUR-US certified.
How firm is it?
It is a medium-firm foam mattress. Most owners find it supportive, though some say it feels firmer than expected at first.
Is it good for heavy adults?
It is better suited to children and lighter adults. Heavier sleepers often want an 8-inch or thicker mattress for more support.
Does it need a box spring?
No. It works on a slatted frame, platform bed or bunk base; a solid, supportive base is what matters.
What is covered by the warranty?
Subfun backs the mattress with a 10-year warranty against manufacturing defects.
Where is the Subfun 6" Twin Mattress cheapest?
At Walmart, for $83.99, as of our latest check.
What do buyers say about the Subfun 6" Twin Mattress?
Rated 4.4 out of 5 from 438 ratings.

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