# Doubleslee Memory Foam Mattress Series, 4ft Small Double, 120 × 190 × 20cm

The Doubleslee Memory Foam Mattress Series is a medium-firmness 4ft small double mattress listed at 120 × 190 × 20cm. Its two-layer all-foam construction combines a gel memory foam comfort layer with high-density foam beneath, and the listing says to allow 48–72 hours after unboxing for it to expand.

- [Original product page](https://bargainpostbox.co.uk/product/doubleslee-memory-foam-mattress-4ft-small-double)
- [View offer](https://bargainpostbox.co.uk/visit/doubleslee-memory-foam-mattress-4ft-small-double)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Doubleslee
- Model: MEMORY FOAM MATTRESS SERIES
- Category: Home & Kitchen > Furniture > Mattresses
- Price: 118.99 GBP
- Previous price: 139.99 GBP
- Discount: 15%
- Price checked: 2026-11-14T19:36:41.577Z
- Rating: 4.4 / 5
- Reviews: 568

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The listing describes a 4cm gel memory foam comfort layer above a 16cm high-density foam support layer.
- The listing says the mattress is vacuum-sealed and compressed in a cardboard box, with 48–72 hours allowed to expand.
- A removable cover and machine-wash care are listed, though cover-removal and wash details are not specified.

## Pros

- Two foam layers offer a memory foam comfort surface over a high-density foam support layer.
- Small-double dimensions are stated as 120 × 190 × 20cm, useful for checking fit against the bed base and bedding.

## Specifications

### Identity
- Brand: Doubleslee
- Model: MEMORY FOAM MATTRESS SERIES
### Size and construction
- Size: 4FT Small Double \(120x190x20cm\)
- Dimensions listed: 190 x 120 x 20 centimetres
- Weight listed: 12.9 Kilograms
- Firmness: Medium
- Top style: Euro Top
- Number of layers: 2.0
- Fill material: High Density Foam, Memory Foam
- Comfort layer material: Gel Memory Foam
- Construction type: Gel Foam
- Cover material: Polyester Blend
- Colour: Grey
### Care and compatibility
- Care instructions: Machine Wash
- Listed base compatibility: Box Spring, Bunkie Board, Solid Foundation
- Listed features: Breathable, Durable, Fire-Retardant, Low Motion Transfer, Removable Cover
- Listed country of origin: China

## Before you buy

- The listing is inconsistent about construction and comfort: it describes a gel memory foam layer over high-density foam, while the specifications variously say memory foam fill, gel memory foam comfort material and gel foam construction. The headline calls it medium, and a separate firmness field also says medium, but it does not clarify how this translates to feel. The listing also calls the cover removable and machine washable without giving washing instructions. It claims a 9-zone mattress and washable cover in an item highlight, but the explicit included-components list names only a manual, so any extra kit remains unconfirmed. Check the selected listing for the exact construction and contents.

## In the box

- Manual (Included)
- 9-zone mattress and washable-cover claims (Check selected pack): An item highlight claims these features, but the explicit included-components list names only a manual. Check the selected listing for confirmation.

## A good fit for

- Shoppers looking for a 4ft small double foam mattress with a stated 20cm thickness.
- Buyers who prefer an all-foam design and want a gel memory foam comfort layer over high-density foam.

## Less suited to

- Anyone who needs a confirmed spring or hybrid construction, since this listing describes a foam-layer build.
- Buyers who require verified 9-zone construction or confirmed accessories beyond the listed manual.

## Customer feedback

Customer feedback reports comfort, support, a pleasing firmness and improved sleep, while experiences of sinking are mixed. This is relevant if you are considering the listed medium-firmness foam design, but those reports do not establish how it will feel for an individual or confirm the listing's construction claims.
- Positive themes: Customer feedback describes the mattress as comfortable and supportive, with some reporting better sleep and fewer body aches.
- Mixed feedback: Opinions about sinking are mixed.

## Frequently asked questions

### What size is this Doubleslee mattress?
The listing gives the size as 4FT Small Double \(120x190x20cm\) and also lists dimensions as 190 x 120 x 20 centimetres. Compare these with your bed base before ordering.
### What is the mattress made from?
The feature text describes a 4cm gel memory foam layer over 16cm of high-density foam. Other specification fields use differing construction labels, so the exact listed construction is worth checking before purchase.
### How long should it expand after unpacking?
The listing advises allowing 48–72 hours after opening the compressed packaging for the mattress to expand.
### Is the cover washable?
The listing says the cover is removable and gives machine washing as the care instruction, but it does not provide specific washing settings.

## Offer details

- The listing advises allowing 48–72 hours for expansion after opening the compressed mattress.

## Alternative options

- [wowttrelax Small Double Mattress Memory Foam 4ft Medium Firm, 120x190x20cm \| Small Double Bed Mattress With Soft Breathable Fabric, 2 layer foam mattress for pressure relief, Removable Washable Cover](https://bargainpostbox.co.uk/visit/doubleslee-memory-foam-mattress-4ft-small-double)
- [slily 12 Inch 4ft Small Double Mattress, Hybrid European Double Mattresses Memory Foam Pocket Sprung, 7-Zone Orthpaedic Mattress Medium Firm for Pressure Relief, Cosy&Breathable\(120x190x30cm\)](https://bargainpostbox.co.uk/visit/doubleslee-memory-foam-mattress-4ft-small-double)
- [Laccard Small Double Mattress 10" Hybrid Memory Foam Pocket Sprung Mattress \| Breathable Cover Orthopedic Support Motion Isolation Medium Firm Edge Support Mattress in A Box 120X190X25cm](https://bargainpostbox.co.uk/visit/doubleslee-memory-foam-mattress-4ft-small-double)
- [Small Double Mattress,4FT Mattress Orthopaedic Medium-Firm,11.02 Inch Foam and Pocket Springs Rolled & Compressed,Comfort-Pressure Relief for Supportive Sleep and Spinal Alignment for Healthy Sleep](https://bargainpostbox.co.uk/visit/doubleslee-memory-foam-mattress-4ft-small-double)
- [Slily 11inch Small Double Mattress Medium Firm, Hybrid Memory Foam Mattresses with 7 Zone Pocket Springs Support for Full Body Pressure Relief, Anti-pilling Comfort Fabric, Motion Isolation, 120x190cm](https://bargainpostbox.co.uk/visit/doubleslee-memory-foam-mattress-4ft-small-double)
- [Doubleslee Memory Foam Small Double Mattress, 8 Inch Medium, 120x190x20cm \| 9 Zone Orthopedic 4ft Mattress for Pressure Relief & Cool Sleep, Motion Isolation, Removable Cover, Mattress in a Box](https://bargainpostbox.co.uk/visit/doubleslee-memory-foam-mattress-4ft-small-double)
- [Hiepunos Small Double Mattress,10.2 Inch Medium Firm Memory Foam Pocket Sprung, 4FT Mattress Small Double Orthopedic for Back Pain Sleeper&Pressure Relief, 120x190x26CM](https://bargainpostbox.co.uk/visit/doubleslee-memory-foam-mattress-4ft-small-double)
- [Double Orthopedic 9 Zone Mattress, 4FT6, 12 Inch Memory Foam, Cotswold \| Extra Firm Support, 9 Zone Cooling Gel Foam, Pressure Relief for Back Pain, OekoTex Certified, Aloe Touch Fabric, Skin Soft](https://bargainpostbox.co.uk/visit/doubleslee-memory-foam-mattress-4ft-small-double)
- [wowttrelax 4FT Mattress Small Double Medium with Soft Fabric, 120x190x15cm \| Skin-friendly Small Double Mattress, Breathable Cover, 2 Layer for Cooler Sleep Supportive, Washable Cover](https://bargainpostbox.co.uk/visit/doubleslee-memory-foam-mattress-4ft-small-double)
- [NOFFA 4FT Orthopedic Small Double Mattress \| 12" Small Double-Size Hybrid Mattresses \| 7 Zone Orthopedic Mattresses Include Memory Foam & Pocket Sprungs,Medium Firm,120x190x30cm](https://bargainpostbox.co.uk/visit/doubleslee-memory-foam-mattress-4ft-small-double)
- [DEWINNER Small Double Mattress 4FT \| 10 Inch Gel Memory Foam \| Small Double Mattresses Pocket Sprung \| 7 Zone Orthopedic Support \| Medium Firm \| OEKO-TEX Certified \| Breathable \| 120x190x25cm](https://bargainpostbox.co.uk/visit/doubleslee-memory-foam-mattress-4ft-small-double)
- [Hieptos 4FT6 Double Mattress 135x190cm, 10 Inch Hybrid Mattress with Comfort Support Foam Spring Mattress, Anti-Sag Edge Hardened Quiet Sleep For Pressure Relief & Better Sleep](https://bargainpostbox.co.uk/visit/doubleslee-memory-foam-mattress-4ft-small-double)

## Add-ons

- [Caroline Shatuik 100% Waterproof Mattress Protector Small Double Anti Allergy Fitted Sheet Style Small Double Mattress Protector Bed Topper Cover\(4ft/122x190+30cm\)](https://bargainpostbox.co.uk/visit/doubleslee-memory-foam-mattress-4ft-small-double)
- [Utopia Bedding Small Double Fitted Sheet, White, Deep Pocket 30cm \(12"\) \| Oeko-Tex Certified, Non Iron Wrinkle-Free, Shrinkage and Fade Resistant, Soft Brushed Microfiber Fabric, Bottom Sheet](https://bargainpostbox.co.uk/visit/doubleslee-memory-foam-mattress-4ft-small-double)

## Images

![Doubleslee Memory Foam Mattress Series, 4ft Small Double, 120 × 190 × 20cm — 1](https://bargainpostbox.co.uk/i/CCuL0nG8iHVsHlXmJtKQ3UCc5P5Fv9Lb1yoyuMUsrXzizxtGX6pGhCvdvABl-nDwHWJDS2Xb7D8TIn_0AEzWCVvda7xhygyEu9Twe_JSHU3IbkNyq0jCtbWs.jpg)

![Doubleslee Memory Foam Mattress Series, 4ft Small Double, 120 × 190 × 20cm — 2](https://bargainpostbox.co.uk/i/Ospo2gnf2ZKC-32iZwNYhZH8EFn59sS3-KSKaOYxjHztz6YtXXaeR328BsxOVUry8wWXS0SRs5HVZayfIJBsYNL_Od7WqZt-0z5caACW--PcUAz9FU6Yjtzk.jpg)

![Doubleslee Memory Foam Mattress Series, 4ft Small Double, 120 × 190 × 20cm — 3](https://bargainpostbox.co.uk/i/pJEB47jET_fyEbRaQT2ks6w-aaZPSKxQMumsgAr4KXAUeLPDoWg6xjg2-UYQjMWTZMzJDB-KcnSIYicwQBkuOsr58mlnYOibmWlx_5SJRp_zZLv3gYBaxpME.jpg)

![Doubleslee Memory Foam Mattress Series, 4ft Small Double, 120 × 190 × 20cm — 4](https://bargainpostbox.co.uk/i/KU3ThlFY_HfI10YfYHRQ-BT504su576kcUNDNP61BGUU6xdPbKs3l7IAHsxQljMmaxaRFuUv8zzT_rEfO8WwqSKVqguuwx1xuaYOaEeagQsox8ZPIPfWRHIv.jpg)

![Doubleslee Memory Foam Mattress Series, 4ft Small Double, 120 × 190 × 20cm — 5](https://bargainpostbox.co.uk/i/1S4fyG2r0_Acq9CL-xfC4gYqqUtE4_1HeD5j4EYAnpKCnoZg5t8hJqG4G8R6JjAsbURgyfh2nuVuqwnQ4qPc1gPdLimzH6bKaUdiTDwrNJZ6EugODI0iuc08.jpg)

![Doubleslee Memory Foam Mattress Series, 4ft Small Double, 120 × 190 × 20cm — 6](https://bargainpostbox.co.uk/i/vZV0cQk2Z_4zQp5Za5LMEW4J_H6Mfqwx9aD0anrzJ7GR3UAZNl-Ssw70-ZtgVN9cGNDYXxSYeGT91vUY5vWPOFVyHwQ2_qUj7c0jsKWDTDSrMHE0bTRT3AJh.jpg)

![Doubleslee Memory Foam Mattress Series, 4ft Small Double, 120 × 190 × 20cm — 7](https://bargainpostbox.co.uk/i/zVoTjE5P8OrPodU-jomwnmgMtTtgaXBNSfTDy5P-8bQDqUapViqq6qtt_wloVTTa7nXvBgAMLScNk979RI4ilYzye-_EkYtpHHidVBQOovQzP4t8dMjea2gN.jpg)