# SEZMOONSI Double Mattress, 135 × 190 × 27 cm, Gel Memory Foam and Pocket Springs

The SEZMOONSI Double Mattress combines gel memory foam with individually pocketed springs in a listed 27 cm-deep, medium-firm design. Its claimed motion isolation and breathable cover may suit couples, though customer feedback is divided on whether the firmness matches that description.

- [Original product page](https://bargainpostbox.co.uk/product/sezmoonsi-double-gel-memory-foam-pocket-sprung-mattress)
- [View offer](https://bargainpostbox.co.uk/visit/sezmoonsi-double-gel-memory-foam-pocket-sprung-mattress)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: SEZMOONSI
- Model: Double Mattress 27cm Deep
- Category: Home & Kitchen > Furniture > Mattresses
- Price: 116.44 GBP
- Previous price: 139.99 GBP
- Discount: 17%
- Price checked: 2026-11-14T10:09:12.322Z
- Rating: 4.1 / 5
- Reviews: 112

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

- Hybrid design pairs gel memory foam with individually pocketed springs.
- Listing claims low motion transfer, breathable fabric and dual edge support.
- The manufacturer describes a 100-night home trial and says to allow 24–72 hours for expansion after unpacking.

## Pros

- Combines memory foam comfort layers with pocket springs rather than using a single material.
- Listed as compatible with box spring, slatted and solid foundations.
- The stated 27 cm depth and double dimensions provide useful fit information, subject to checking the listing details below.

## Specifications

### Identity
- Brand: SEZMOONSI
- Model: Double Mattress 27cm Deep
### Dimensions and installation
- Dimensions listed: 190 x 135 x 27 centimetres
- Weight listed: 59 Pounds
- Listed base compatibility: Box Spring, Slatted Base, Solid Foundation
### Construction and comfort
- Mattress type: Standard Mattress
- Construction: Memory Foam, Pocket Spring
- Comfort layer: Gel Memory Foam, Memory foam
- Fill material: Memory Foam, Pocketed Spring
- Coil type: Pocketed Coil
- Number of layers: 7
- Firmness description: Medium Firm
- Top style: Euro Top
- Cover material: Polyester Blend
- Special features: Breathable, Dual Edge Support, Low Motion Transfer, Mattress In A Box, Orthopaedic
- Maximum weight capacity: 300 Kilograms

## Before you buy

- The title and size details give a 27 cm or 10.6-inch depth, but the listing also describes an upgraded seven-zone independent spring design without clearly establishing whether the seven zones refer to the spring system or the seven listed layers. Customer feedback is mixed on firmness, with some saying it does not feel medium firm. Confirm the selected listing's dimensions, trial terms and spring-zone details before buying.

## In the box

- N/M (Included): Shown as the listed included component.

## A good fit for

- Couples seeking a memory-foam and pocket-spring hybrid with claimed low motion transfer.
- Buyers whose bed base is a box spring, slatted base or solid foundation.
- Shoppers looking for a double mattress with a listed 135 × 190 cm footprint.

## Less suited to

- Buyers who need a firmness feel that is consistently confirmed as medium firm.
- Anyone relying on a specific trial-return policy that is not detailed in the supplied listing.

## Customer feedback

Customer feedback reports positive impressions of quality, value, sleep and support, including an account of reduced hip discomfort on waking. Firmness is mixed: some describe a balanced feel, while others say it does not match the medium-firm description. For buyers choosing this hybrid for a particular feel, that disagreement matters more than the listed construction alone can establish.
- Positive themes: Customers report positive impressions of quality, value, sleep and support.
- Mixed feedback: Firmness feedback is mixed, with reports that the mattress may not feel medium firm as described.

## Frequently asked questions

### What size is this SEZMOONSI mattress?
The listed size is Double\(135x190x27cm\), and the dimensions are also given as 190 x 135 x 27 centimetres.
### What is the mattress made from?
The listing describes a hybrid construction with memory foam, gel memory foam and pocketed springs. It lists a polyester-blend cover.
### Is the mattress medium firm?
The product details describe it as medium firm, but customer feedback reports mixed impressions, including comments that it does not feel medium firm. Firmness is subjective.
### How long does it take to expand?
The listing says to allow 24–72 hours for full expansion after unpacking.

## Offer details

- The manufacturer states a 100-night home trial, but the supplied information does not specify its terms.

## Alternative options

- [Uliyati Double Mattresses Memory Foam Pocket Sprung Mattress,135x190x25cm \| Hybrid Mattress, Medium Firm, 7-Zone Support, Edge Support, Motion Isolation](https://bargainpostbox.co.uk/visit/sezmoonsi-double-gel-memory-foam-pocket-sprung-mattress)
- [Double Mattresses 4FT6, Gel Memory Foam & Individually Pocket Sprungs Hybrid Medium Firm Double Mattress, Cooling Double Bed Mattress, Orthopedic, Back Pain Relief 135x190x23cm](https://bargainpostbox.co.uk/visit/sezmoonsi-double-gel-memory-foam-pocket-sprung-mattress)
- [Bednew Double Mattress, 32cm Hybrid Mattresses Double Size 4FT6, Memory Foam & Individually Pocket Spring for Pain Relief, Medium Firm, Plush Feel, Mattress in a Box \(135x190x32cm\)](https://bargainpostbox.co.uk/visit/bednew-double-hybrid-mattress)
- [Vesgantti 4FT6 Double Mattress 135 x 190 cm Pocket Sprung Mattress, Medium \| 10.6 Inch Upgraded Pillow Top, Individually Pocket Springs, Breathable Foam, 7-Zone Orthopaedic,Back Support,Motion Isolation](https://bargainpostbox.co.uk/visit/sezmoonsi-double-gel-memory-foam-pocket-sprung-mattress)
- [SCEPKN 4FT6 Double Mattress,9-Zone Gel Memory Foam Mattresses 10Inch Hybrid \| Double Bed Mattress Hybrid Orthopedic Pocket Sprung Breathable Soft Fabric- Pressure Relief Motion Separation,135x190x25cm](https://bargainpostbox.co.uk/visit/sezmoonsi-double-gel-memory-foam-pocket-sprung-mattress)
- [Deegari 10 Inch King Size Mattress in a Box, Hybrid Cooling Gel Memory Foam & Pocketed Coils, Medium Firm, Pressure Relief, Motion Isolation](https://bargainpostbox.co.uk/visit/sezmoonsi-double-gel-memory-foam-pocket-sprung-mattress)
- [Vesgantti 4FT6 Double Mattress 135x190cm Pocket Sprung Medium Mattress \| 9-Zone Orthopedic Support, Comfort and Pressure Relief, Individually Pocket Springs, Breathable Foam, 11 Inch Luxury Box Top](https://bargainpostbox.co.uk/visit/sezmoonsi-double-gel-memory-foam-pocket-sprung-mattress)
- [SEZMOONSI Double Mattress 4FT6, Gel Memory Foam Hybrid Double Mattresses, Orthopedic 7 Zone Pocket Sprung Medium Firm Double Bed Mattress in a Box for Back Pain Relief \(135x190x23cm\)](https://bargainpostbox.co.uk/visit/sezmoonsi-double-gel-memory-foam-pocket-sprung-mattress)
- [Niqooia Double Mattresses, 10 Inch Hybrid Memory Foam Double Bed Mattress, 7-Zone Pocket Sprung Double Mattress, Medium Firm, Motion Isolation, 135×190×25cm](https://bargainpostbox.co.uk/visit/niqooia-szz-10-gry-double-hybrid-mattress)
- [TeQsli Double Mattress 4FT6, 10 Inch Pocket Sprung Mattress in a Box \| Individually Pocket Sprung Hybrid Mattress for Pressure & Back Pain Relief, Medium Firm 135x190x25cm](https://bargainpostbox.co.uk/visit/teqsli-tsd-double-hybrid-mattress-135-190-25cm)
- [Uliyati King Size Mattresses Gel Memory Foam Mattress, Medium, 150x200x20CM \| Breathable Mattress for Cool Sleep & Pressure Relief, Motion Isolation](https://bargainpostbox.co.uk/visit/sezmoonsi-double-gel-memory-foam-pocket-sprung-mattress)
- [Vesgantti 5FT King Size Mattress 150x200cm Hybrid Medium Firm Mattress \| 10 Inch Orthopedic Mattress, Memory Foam & Individually Pocket Springs, Pressure Relief, Motion Isolation, 150x200x25cm](https://bargainpostbox.co.uk/visit/sezmoonsi-double-gel-memory-foam-pocket-sprung-mattress)

## Add-ons

- [SEZMOONSI Double Mattress 4FT6, 10.6 Inch Deep Gel Memory Foam Medium Firm Mattress with Breathable Soft Fabric, Motion Isola](https://bargainpostbox.co.uk/visit/yocreat-double-bed-frame-headboard-dark-grey-135x190)

## Images

![SEZMOONSI Double Mattress, 135 × 190 × 27 cm, Gel Memory Foam and Pocket Springs — 1](https://bargainpostbox.co.uk/i/ZF4M6Mi5NV91ekGNpdOeLxwntKmQRLsCqee178J10u9Bwi5Fv5QGX7IE0ZCkx82OaW_aauB66cNBhyeu64yKjU8IoTQx0z7ku_kafZncjde1DcYfyFKaXVAq.jpg)

![SEZMOONSI Double Mattress, 135 × 190 × 27 cm, Gel Memory Foam and Pocket Springs — 2](https://bargainpostbox.co.uk/i/01_ufUdGVuWutfvBQv3AcNRAd2wEYOuGD38yMaUmElGBD2KAg_GbwCXN0xGhFZVWF6a2NPXs49uL4C1zxFOyD9Quns1oSK0dSVyiUNkh0WAyCgWY8VB9a4yu.jpg)

![SEZMOONSI Double Mattress, 135 × 190 × 27 cm, Gel Memory Foam and Pocket Springs — 3](https://bargainpostbox.co.uk/i/iBxCzvaxwwzRHNhJYuXENQ3RuVPrmlbMMkCaIcB8jWYeNfDZM4VcJR0uvCfcGnRxon0f4GQKPdqkkKZye1NdsF0LHeXYsmEjt05xiA-V_JcjZmJBW_0tmnJu.jpg)

![SEZMOONSI Double Mattress, 135 × 190 × 27 cm, Gel Memory Foam and Pocket Springs — 4](https://bargainpostbox.co.uk/i/_Hn8JxH_l-8pQ1DgmN1dlMYAP597U3vQP-qYYZCmMazQ6zcHu4ZoOs0j8dRpHTF7sRa3vp_nEKvvRUbpq0Rk4As2PJrYeltWqjg4TCXaFPnwyYZYaDvrBPaf.jpg)

![SEZMOONSI Double Mattress, 135 × 190 × 27 cm, Gel Memory Foam and Pocket Springs — 5](https://bargainpostbox.co.uk/i/lExmg36KsOYqOsorV9j7SQNrh3zOBXTtSBh0ylRf1cbJWL2h-JD5NHLZcsByFQXnKbiQsQOrJFENaeM7DBDUu7KFbO376PpeJRSLtF0ObJXy5Z6MXfQBarVF.jpg)

![SEZMOONSI Double Mattress, 135 × 190 × 27 cm, Gel Memory Foam and Pocket Springs — 6](https://bargainpostbox.co.uk/i/2vSYMZ_BNjXeZvZAn_R9dOfu8xKaCdKvSmX84dTa1V-L6wS8o5b9Po88usA9oRBXQSxSm_RW4WrqEm737jPwYxWpUhoqSbQ6tj1M0IxOfpF8U2pFXIf-beug.jpg)

![SEZMOONSI Double Mattress, 135 × 190 × 27 cm, Gel Memory Foam and Pocket Springs — 7](https://bargainpostbox.co.uk/i/iVXEEXMELGLkdSW5F36WUMuESe6CC-jr09xv0mF6uWC4hncCkELohDvgTg6degX8N9vWT6oDkt5xnIYXSSxkRBsoD4SUy-c02ZcxpQvGD6MQGP7Pxv1Sg_TO.jpg)