Overview
The 12 Inch King Size Mattress from slily is a 30cm-deep hybrid combining an independent pocket spring base with a gel memory foam top layer and dual-row reinforced edge coils, certified to CertiPUR-US standards. It is rated Medium firmness and holds a 4.6-star average across 1,001 reviews at the time of collection.
Performance
SLILY states mattresses are always photographed truthfully and that the article is certified harmless to human health. The brand positions itself around innovation and superior craftsmanship, providing high-quality mattresses at a competitive price for a more comfortable, safer and healthier night's sleep. The 5ft king size mattress offers a dual-layer design combining an independent pocket spring base with a top layer of comfortable memory foam, giving a supportive yet spongy feel ideal for those who want medium firm support with hybrid comfort.
Design & Build
The 5ft king size mattress offers a dual-layer design combining an independent pocket spring base with a top layer of comfortable memory foam, giving a supportive yet spongy feel ideal for those who want medium firm support with hybrid comfort. Breathable fabric provides a cool sleeping surface, and the individually sprung system enhances airflow to help dissipate heat; the memory foam is CertiPUR-US certified.
Installation
The mattress is shipped compressed, vacuum-sealed and rolled; buyers should wait 2-3 days after opening the package before use, and each slily mattress comes with a 100-night trial.
Best For
- Buyers specifically seeking back-pain relief from a deep, quilted hybrid king mattress
- Those who sit or sleep near the mattress edge and want reinforced support there
- Heavier buyers wanting a mattress with a stated high weight limit
Not Suitable For
- You need a firmness other than Medium, since no alternative is offered in this listing
- You prefer a more established, longer-track-record mattress brand
Frequently Asked Questions
What size is the 12 Inch King Size Mattresses 5ft for Back Pain Relief, Hybrid Pocket Sprung Memory Foam Mattress with Cool & Supportive, 7-Zone Medium Firm Mattress, 30cm Deep 150 X 200 cm?
According to the product listing, this mattress is available in size: 5FT King (150 x 200 x 30cm).
How firm is the 12 Inch King Size Mattresses 5ft for Back Pain Relief, Hybrid Pocket Sprung Memory Foam Mattress with Cool & Supportive, 7-Zone Medium Firm Mattress, 30cm Deep 150 X 200 cm?
The listed firmness rating for this mattress is Medium.
What is the 12 Inch King Size Mattresses 5ft for Back Pain Relief, Hybrid Pocket Sprung Memory Foam Mattress with Cool & Supportive, 7-Zone Medium Firm Mattress, 30cm Deep 150 X 200 cm made from?
Per the manufacturer's listing, this mattress uses the following materials — fill material: Gel Memory Foam, cover material: Polyester Blend.
Does the 12 Inch King Size Mattresses 5ft for Back Pain Relief, Hybrid Pocket Sprung Memory Foam Mattress with Cool & Supportive, 7-Zone Medium Firm Mattress, 30cm Deep 150 X 200 cm come with a warranty or trial period?
The mattress is shipped compressed, vacuum-sealed and rolled; buyers should wait 2-3 days after opening the package before use, and each slily mattress comes with a 100-night trial.
