Doubleslee 3FT Single Medium Memory Foam Mattress, 90 × 190 × 20 cm

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Product guide

Doubleslee 3FT Single Medium Memory Foam Mattress, 90 × 190 × 20 cm

The Doubleslee memory foam mattress is a medium, 3FT single model with a gel memory foam comfort layer and a high-density foam support layer. Its listed dimensions suit a standard single bed, while the washable-cover claim and compressed packaging may appeal to buyers seeking simpler care and delivery.

At a glance

The listing describes a two-layer, all-foam build with a 4 cm gel memory foam layer and 16 cm high-density foam support layer.
The cover is described as removable and machine washable. The care instruction applies to the cover.
The seller says the mattress arrives vacuum-sealed and compressed, and should be allowed 48–72 hours to expand after opening.

Price

£84.91Save 23%

Reference price: ~~£109.99~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

The medium firmness and single-bed dimensions are clearly stated for buyers matching a 3FT frame.
The two foam layers offer a distinct comfort layer over high-density foam support, rather than a spring construction.
A removable, machine-washable cover can make routine cover care easier.

Cons

This is an all-foam mattress, so it is not a spring or hybrid option.

Technical specifications

18 specifications

Identity
Brand	Doubleslee
Model	Materasso singolo in memory foam
Mattress type	Standard Mattress
Firmness	Medium

Dimensions and installation
Size	3FT Single (90x190x20cm)
Dimensions listed	190 x 90 x 20 centimetres
Weight listed	9.7 Kilograms
Compatible bases	Box Spring, Bunkie Board, Solid Foundation
Foldable	No

Construction and materials
Construction type	Gel Foam
Number of layers	2
Fill material	High Density Foam, Memory Foam
Comfort layer	Gel Memory Foam
Cover material	Polyester Blend
Top style	Fitted sheet
Colour	Brown

Care and features
Care instructions	Machine Wash（Cover）
Special features	Breathable, Durable, Fire-Retardant, Low Motion Transfer, Removable Cover

What to know before buying

Listing details to confirm

Listing details conflict or remain unconfirmed: the title and size give 90x190x20cm, while the dimensions field lists 190 x 90 x 20 centimetres. Construction is called both Gel Foam and memory foam with a gel memory foam comfort layer. A nominal washable-cover feature is not corroborated by the explicit contents list, which names only a manual. Confirm the selected listing and package details before buying. The listing also says to allow 48–72 hours for expansion after unboxing.

What’s in the box

ManualIncluded
Washable coverCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Shoppers needing a medium 3FT single mattress with a listed 20 cm thickness.
Buyers who prefer a foam mattress with a gel memory foam comfort layer and high-density support layer.
People who value a removable cover and are prepared to follow its machine-wash care instruction.

Less suited to

Anyone specifically seeking a sprung or hybrid mattress.
Buyers who need a foldable or portable mattress.

Doubleslee 3FT Single Medium Memory Foam Mattress, 90 × 190 × 20 cm · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 568 ratings

5 stars73%73%
4 stars12%12%
3 stars5%5%
2 stars3%3%
1 star7%7%

Customer feedback reports comfort, a preferred balance of firmness and softness, support and better sleep quality, with some customers mentioning reduced body aches. These impressions may matter to buyers considering the listed medium firmness and foam layers, but sinking experiences are mixed, so feel and support may not suit everyone.

Positive themes

Customer feedback highlights comfort, firmness, support and sleep quality.

Mixed feedback

Feedback on sinking is mixed.

Frequently asked questions

What size is this mattress?

It is listed as a 3FT single, with a stated size of 90x190x20cm. The separate dimensions field reverses the length and width order, so confirm the size against your bed frame.

How is the mattress constructed?

The listing describes two all-foam layers: a 4 cm gel memory foam comfort layer and a 16 cm high-density foam support layer. It also labels the construction type as Gel Foam.

Can the cover be washed?

The care instruction says “Machine Wash（Cover）” and the features describe a removable cover. The explicit included-components field lists only a manual, so check the selected listing for cover details.

How long should it expand after unboxing?

The listing recommends allowing 48–72 hours for the vacuum-sealed mattress to fully expand.