
SEZMOONSI
SEZMOONSI Double Mattress 4FT6, Gel Memory Foam Mattresses, 9.1 Inch Deep Hybrid Double Bed Mattress, Pocket Sprung Medium Firm in a Box for Back Pain Relief (135x190x23cm-white blue)
FoxVerdict Score
Based on 16 evidence items and 1 offer.
ASIN: B0CZLC7GR3
Summary
The SEZMOONSI Double Mattress 4FT6 is a 9.1-inch (23cm) hybrid combining a 7-zone independent pocket spring layer with gel memory foam, using CertiPUR-US and OEKO-TEX certified materials and a breathable 3D knitted cover. It holds a 4.4-star average across 144 reviews at the time of collection.
Key Features
Pros & Cons
Pros
- 7-zone pocket spring design targets support for back, side and stomach sleeping positions
- Certified materials (CertiPUR-US, OEKO-TEX) provide independent quality assurance beyond marketing claims
- Reinforced edge support is explicitly designed to prevent sagging during prolonged sitting
- Breathable knitted cover supports airflow and moisture absorption
- 100-night trial included
Cons
- Review base of 144 is smaller than other products in this range, giving less real-world usage data
- 29kg weight is among the heaviest in this comparison, which may affect handling during setup or rotation
Who Is It For?
Suitable For
- Back, side and stomach sleepers wanting zoned orthopaedic-style support
- Buyers who value independently certified materials (CertiPUR-US, OEKO-TEX)
- Those who sit on the edge of the bed regularly and want reinforced perimeter support
Avoid If
- You want a mattress with a larger existing review history to gauge long-term reliability
- You need a lighter mattress that is easier to lift or rotate alone
FoxVerdict
Score 98/100This is a certified-materials hybrid double aimed at back, side and stomach sleepers wanting orthopaedic-style zoned support and reinforced edges, positioned at a mid-budget price point with a comparatively smaller review base than some competitors.
Specifications
| Size | Double (135 x 190 x 23cm) |
|---|---|
| Top style | Tight Top |
| Item weight | 29 Kilograms |
| Fill material | Gel Memory Foam |
| Cover material | Polyester |
| Special feature | Orthopaedic Support, High-quality Certified Materials, Enhanced Breathability, Medium Firmness with Motion Isolation, Reinforced Edge Support |
| Number of layers | 3 |
| Product dimensions | 190L x 135W x 23.1Th centimetres |
| Item firmness description | Medium Firm |
Prices & Availability
Evidence Sources
The FoxVerdict Score and all editorial statements are derived from the following evidence.
Brand positioning statement
SEZMOONSI is a furniture brand focused on high-quality materials, aiming to protect buyers from rolling off the edge of the mattress and provide superior support and space for a good sleep experience.
7-zone pocket spring design
9.1-inch deep double mattress with an enhanced 7-zone independent pocket and internal spring ergonomic design, providing orthopaedic level support and promoting proper spinal alignment for back, side and stomach sleepers.
CertiPUR-US and OEKO-TEX certified materials
The memory foam mattress is crafted from CertiPUR-US and OEKO-TEX certified materials, and comes with a 100-night trial.
Medium firmness with reinforced edge support
Medium-firm feel with independent pocket springs offering motion isolation; each spring contours to the body's shape, and reinforced edges with harder springs prevent sagging during prolonged sitting.
Breathable 3D knitted cover
The cover is made of 3D printed knitted fabric allowing proper airflow and moisture absorption, with a soft, skin-friendly touch.
Mattress-in-a-box delivery
Compressed, rolled and packed in a box; buyers should wait 24-72 hours for full recovery after unpacking, with a 100-day free trial offered.
Size
Double (135 x 190 x 23cm)
Top style
Tight Top
Item weight
29 Kilograms
Fill material
Gel Memory Foam
Cover material
Polyester
Special feature
Orthopaedic Support, High-quality Certified Materials, Enhanced Breathability, Medium Firmness with Motion Isolation, Reinforced Edge Support
Number of layers
3
Product dimensions
190L x 135W x 23.1Th centimetres
Item firmness description
Medium Firm
Amazon product listing
https://www.amazon.co.uk/dp/B0CZLC7GR3
Frequently Asked Questions
What is the SEZMOONSI Double Mattress 4FT6, Gel Memory Foam Mattresses, 9.1 Inch Deep Hybrid Double Bed Mattress, Pocket Sprung Medium Firm in a Box for Back Pain Relief (135x190x23cm-white blue)?
The SEZMOONSI Double Mattress 4FT6 is a 9.1-inch (23cm) hybrid combining a 7-zone independent pocket spring layer with gel memory foam, using CertiPUR-US and OEKO-TEX certified materials and a breathable 3D knitted cover. It holds a 4.4-star average across 144 reviews at the time of collection.
Is the SEZMOONSI Double Mattress 4FT6, Gel Memory Foam Mattresses, 9.1 Inch Deep Hybrid Double Bed Mattress, Pocket Sprung Medium Firm in a Box for Back Pain Relief (135x190x23cm-white blue) worth buying?
This is a certified-materials hybrid double aimed at back, side and stomach sleepers wanting orthopaedic-style zoned support and reinforced edges, positioned at a mid-budget price point with a comparatively smaller review base than some competitors.
What are the pros of the SEZMOONSI Double Mattress 4FT6, Gel Memory Foam Mattresses, 9.1 Inch Deep Hybrid Double Bed Mattress, Pocket Sprung Medium Firm in a Box for Back Pain Relief (135x190x23cm-white blue)?
• 7-zone pocket spring design targets support for back, side and stomach sleeping positions • Certified materials (CertiPUR-US, OEKO-TEX) provide independent quality assurance beyond marketing claims • Reinforced edge support is explicitly designed to prevent sagging during prolonged sitting • Breathable knitted cover supports airflow and moisture absorption • 100-night trial included
What are the cons of the SEZMOONSI Double Mattress 4FT6, Gel Memory Foam Mattresses, 9.1 Inch Deep Hybrid Double Bed Mattress, Pocket Sprung Medium Firm in a Box for Back Pain Relief (135x190x23cm-white blue)?
• Review base of 144 is smaller than other products in this range, giving less real-world usage data • 29kg weight is among the heaviest in this comparison, which may affect handling during setup or rotation
Who should buy the SEZMOONSI Double Mattress 4FT6, Gel Memory Foam Mattresses, 9.1 Inch Deep Hybrid Double Bed Mattress, Pocket Sprung Medium Firm in a Box for Back Pain Relief (135x190x23cm-white blue)?
Back, side and stomach sleepers wanting zoned orthopaedic-style support. Buyers who value independently certified materials (CertiPUR-US, OEKO-TEX). Those who sit on the edge of the bed regularly and want reinforced perimeter support
Who should avoid the SEZMOONSI Double Mattress 4FT6, Gel Memory Foam Mattresses, 9.1 Inch Deep Hybrid Double Bed Mattress, Pocket Sprung Medium Firm in a Box for Back Pain Relief (135x190x23cm-white blue)?
You want a mattress with a larger existing review history to gauge long-term reliability. You need a lighter mattress that is easier to lift or rotate alone
How much does the SEZMOONSI Double Mattress 4FT6, Gel Memory Foam Mattresses, 9.1 Inch Deep Hybrid Double Bed Mattress, Pocket Sprung Medium Firm in a Box for Back Pain Relief (135x190x23cm-white blue) cost?
The SEZMOONSI Double Mattress 4FT6, Gel Memory Foam Mattresses, 9.1 Inch Deep Hybrid Double Bed Mattress, Pocket Sprung Medium Firm in a Box for Back Pain Relief (135x190x23cm-white blue) is currently priced at £99.99. Check above for the latest price from UK retailers.
More Mattress

Hiimgo
Hiimgo Double Mattresses Memory Foam - Orthopaedic Medium Firm Support, Breathable Carved Knitted Cover for Back Pain & Pressure Relief (190x135x18cm)

Sealy
Sealy Posturepedic Elevate Blackwood Mattress

W Wilson Beds A luxury you can afford
Wilson Beds - 3ft Single Mattress Approx 6.5 Inch Deep Soft Feel Memory Foam and Spring Mattress (3ft x 6ft3) (Single)

Vesgantti
Vesgantti Single Mattress, 10.3 Inch Hybrid Mattress 3FT with Breathable Foam and Individually Pocket Spring - Medium Firm, Classic Box Top Collection(90x190x26cm)